Previous Year Questions

QUESTION ID:2

Match the words in List I with their meanings in List II:

QUESTION ID:3

“Hope is central to humanity’s survival and flourishing. Yet some caution that hope alone is not a panacea.”

Through the underlined segment the writer is trying to:

QUESTION ID:4

Match List I with List II to complete the information on the basis of your reading from the passage.

QUESTION ID:5

Eco-anxiety can also manifest in individuals without direct experience of climate change. This happens because of:

QUESTION ID:6

Match the blanks in List I with the appropriate phrasal verb in List II:

QUESTION ID:7

The correctly spelt word from the given options is:-

QUESTION ID:8

Fill in the blanks with appropriate prepositions from the options given below:

ED had filed the fifth chargesheet ____ the case ____ May 4 and named Sisodia ____ an accused ____ a case concerning irregularities in the excise policy for the first time.

QUESTION ID:9

An admirably stylish manner of doing things effortlessly:

QUESTION ID:10

Synonym of the word "TRAIT" is:

QUESTION ID:11

If $\cos \theta = \dfrac{10}{26}$ , then find the value of $\cot \theta$:

QUESTION ID:12

A journey takes 35 minutes while moving with a speed of 32 km/h. How long would the journey take (in minutes) moving at a speed of 40 km/h?

QUESTION ID:13

Ananya bought a shirt marked for ₹ 1,000 and paid ₹ 714 after availing two successive discounts of 15% and x %. Find the value of x.

QUESTION ID:14

A cone of height 24 cm and base radius 6 cm is made of modelling clay. A child reshapes it in the form of a sphere. The radius of the sphere is:

QUESTION ID:15

A sum of ₹7,700 is lent on simple interest in two parts in such a way that the interest on the first part at 20% p.a. for 5 years is equal to the interest on the other part at 9% p.a. for 6 years. Find the smaller part of the sums lent in two parts.

QUESTION ID:16

Which interchange of signs in the equation, which when made, will make the equation correct?

QUESTION ID:17

Which value can come at place of ?, which will give same relationship on the left and right side of :: ?

5369 : 4258 :: 9875 : ?

QUESTION ID:18

Milind said to Monu, "That boy playing is the younger of two brothers of the daughter of my father's wife". How is the boy who is playing is related to Milind:

QUESTION ID:19

Consider the statement and decide which of the assumption is implicit in the statement:

Statement: A physics teacher announced to keep a copy of “Principles of Physics” by Halliday & Resnick.

Assumptions given: (I) Every student can afford to buy the book.
(II) The book is well-written.

QUESTION ID:20

Which conclusion would follow on the basis of given statements:

Statements: (A) All pens are chalks.

(B) All chairs are chalks.

Conclusions: (I) Some pens are chairs.

(II) Some chalks are pens.

QUESTION ID:21

Which feature acts as a watershed between the Indus and Gangetic river basins?

QUESTION ID:22

Match List I with List II:

QUESTION ID:23

'Digi Yatra' facility has been implemented at ____ in the country.

QUESTION ID:24

Given below are two statements:

Statement I: Gross Domestic Product (GDP) is the final value of the goods and services produced within the geographical boundaries of a country during a year.

Statement II: Net Domestic Product (NDP) equals to the GDP plus depreciation (value loss of an asset) on country capital goods.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:25

The 'GEM' portal of Government of India deals with

QUESTION ID:26

Which of the following Scientists demonstrated that crossing over involves physical exchange between chromatids?

QUESTION ID:27

The Symmetry of head in T₄ Phage is:

QUESTION ID:28

Which of the following is a eukaryotic microorganism?

QUESTION ID:29

T4 phage follows ____ Cycle.

QUESTION ID:30

UV light causes formation of following dimer in DNA:

QUESTION ID:31

Methanogens belong to which group?

QUESTION ID:32

The Generation time of E. coli growing in nutrient broth at 37 °C is:

QUESTION ID:33

What is a prophage?

QUESTION ID:34

Beta-galactocidase gene inducer is:

QUESTION ID:35

In the transversion mutations:

QUESTION ID:36

Which of the following cyanobacteria is not used as biofertilizer? (DROP)

QUESTION ID:37

Which one is the non-symbiotic biofertilizer?

QUESTION ID:38

In microbial interaction, if one organism adversely effects another organism, it is known as:

QUESTION ID:39

Which organelle is absent in plant cells compared to animal cells?

QUESTION ID:40

Crossing over takes place during which phase of meiosis?

QUESTION ID:41

Dominant plant genotype can be determined by:

QUESTION ID:42

In one of the Mendel's crosses, he observed 315 round yellow, 108 round green, 101 wrinkled yellow and 32 wrinkled green F2 plants. Identify the type of cross.

QUESTION ID:43

Cell cycle is regulated by:

QUESTION ID:44

The disaccharide which gives two same monosaccharide on hydrolysis is:

QUESTION ID:45

In which of the following animals, environmental factors determine the sex?

QUESTION ID:46

In recessive mutation:

QUESTION ID:47

The Taq DNA polymerase from Thermus aquaticus belongs to which class of DNA Polymerase?

QUESTION ID:48

In humans, the most abundant protein is:

QUESTION ID:49

The Succession process in which microorganisms modify the habitat in a way that permit new populations to develop is called:

QUESTION ID:50

In vertebrates, fat is stored in the form of:

QUESTION ID:51

Which of the following immunoglobulin class is found in maximum concentrations in blood?

QUESTION ID:52

In the plasma membrane, the most abundant lipids are:

QUESTION ID:53

In the red light region, which pigment has higher absorbance:

QUESTION ID:54

Which is most abundant enzyme on this planet?

QUESTION ID:55

Seed dormancy is due to the accumulation of:

QUESTION ID:56

Bacteria protect themselves by fragmenting viral DNA upon entry by:

QUESTION ID:57

In Reverse Phase Chromatography

QUESTION ID:58

At isoelectric point, proteins have:

QUESTION ID:59

In xylem, which type of transport is present?

QUESTION ID:60

The term ecosystem was coined by:

QUESTION ID:61

In ecology terminology, the natural residence of every organism is known as:

QUESTION ID:62

Xerophytes:

QUESTION ID:63

The final electron acceptor in lactic acid fermentation is:

QUESTION ID:64

The activity of a species determines community structure in spite of their low abundance or biomass; that species is called as:

QUESTION ID:65

The species that first colonize in new habitats created by disturbance is known as:

QUESTION ID:66

Lichens is a well-known indicator of:

QUESTION ID:67

Polygyny means:

QUESTION ID:68

Humans are:

QUESTION ID:69

Assertion A: Trichodesmium, a filamentous, non-heterocystous cyanobacterium fixes N₂ under aerobic conditions in Dead Sea.

Reasons R: Trichodesmium contains a specialized hyaline vegetative cell called ‘diazocyte’ which protects nitrogenase from O₂ inactivation.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:70

Assertion A: Polysiphonia possesses triphasic life cycle – Gametangial phase, Carposporophytic phase and tetrasporangial phase, Carposporophyte is a minute microscopic phase.

Reasons R: Carposporophyte is found in female gametophytic plant.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:71

Assertion A: N-fertilizer is added in rice field in the form of ammonium salt and urea, which is rapidly converted into nitrate. Nitrate is assimilated by plants, however, much proportion is leached, percolated into ground water or return to atmosphere in the form of N₂ gas.

Reasons R: Bacteria such as Pseudomonas denitrificans, Paracoccus denitrificans and Thiobacillus denitrificans are involved in denitrification process.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:72

Assertion A: Azolla, a tiny aquatic fern is used as biofertilizer in rice cultivation.

Reasons R: Azolla form symbiotic association with N₂- fixing cyanobacterium Anabaena azollae.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:73

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason R

Assertion A: Purine and pyrimidine biosynthesis is critical for all cells.

Reasons R: Purine and pyrimidine molecules synthesize ATP, several cofactors, and other important cell components.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:74

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: The monomers of DNA are called deoxyribonucleotides.

Reason R: The nitrogenous base in DNA is deoxy.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:75

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: Coupled transcription and translation is possible in bacterial and archaeal cells.

Reason R: In bacterial and archaeal cells, nuclear envelope does not separate the translation machinery from DNA.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:76

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: The diauxic growth curve of E. coli is obtained when grown with a mixture of glucose and lactose.

Reason R: The enzymes for lactose catabolism are constitutive.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:77

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: The transfer of genes from parents to progeny is called vertical gene transfer.

Reason R: The genes from one independent bacterial cell can be transferred to another bacterial cell.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:78

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: Nitrate is produced during nitrogen cycle.

Reason R: The microorganisms use nitrate as a terminal electron acceptor during anaerobic respiration.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:79

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: Taxol is used in chemotherapy against cancer.

Reason R: Taxol preferentially kills tumor cells.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:80

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: Sickle-cell anemia (HbS) disease has the most common form of abnormal hemoglobin.

Reason R: Erythrocytes of sickle-cell anemia patients adopt a sickle shape (crescent-like) at low oxygen concentration.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:81

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: DNA fragments with sticky ends are particularly useful for recombinant DNA experiments.

Reason R: The single-stranded sticky ends can easily pair with any other DNA fragment having complementary sticky ends.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:82

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: All eluents for use in HPLC systems must be specially purified.

Reason R: The traces of impurities in eluents cannot affect the column and interfere with the detection system.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:83

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion A: Type II restriction endonucleases recognize and cleave DNA within particular sequences of four to eight nucleotides referred to as palindromic sequences.

Reason R: The palindromic sequence is similar to words that read the same backward as forward.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:84

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason R

Assertion A: Silent mutations change the nucleotide sequence of a codon but do not change the amino acid encoded by the codon.

Reason R: A single base substitution can change a codon for one amino acid into a codon for another.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:85

Assertion A: Some gram-positive bacteria form endospores.

Reason R: Endospore does not contain dipicolinic acid.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:86

Given below are two statements:

Statement I: Microorganisms are defined as those organisms and acellular biological entities too small to be seen clearly by the unaided eye.

Statement II: All organisms with prokaryotic cell structures were placed in Monera.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:87

Given below are two statements:

Statement I: Algae are photosynthetic.

Statement II: Slime molds are protists that behave like protozoa in one stage of their life cycle but like fungi in another.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:88

Given below are two statements:

Statement I: Prokaryotes possess three cytoskeletal elements: actin filaments, microtubules, and intermediate filaments.

Statement II: The S-layer has a pattern something like floor tiles and is composed of protein or glycoprotein.

In the light of the above statements, choose the most appropriate answer from the options given below:

QUESTION ID:89

Assertion A : Estuaries can be defined as meeting place of river with ocean.

Reasons R : Estuaries support minimum diversity of algae.

In the light of the above statements, choose the most appropriate answer from the options given below :

QUESTION ID:90

Assertion A : Thermal vents are found on the floor of ocean. Temperature of ocean floor is zero degree centigrade.

Reasons R : Thermal vents support the growth of thermophilic bacteria.

In the light of the above statements, choose the most appropriate answer from the options given below :

QUESTION ID:91

Assertion A : Peptidoglycan is a particularly effective target for antimicrobial agents.

Reasons R : Peptidoglycan is an important component of bacteria cell wall structure and function and is absent in animal cells.

In the light of the above statements, choose the most appropriate answer from the options given below :

QUESTION ID:92

Match List I with List II:

QUESTION ID:93

Match List I with List II: 

QUESTION ID:94

Match List I with List II:  

QUESTION ID:95

Match List I with List II: 

QUESTION ID:96

Match List I with List II: 

QUESTION ID:97

Match List I with List II: 

QUESTION ID:98

Match List I with List II: 

QUESTION ID:99

Match List I with List II: 

QUESTION ID:100

Match List I with List II: