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QUESTION ID:1

The chart shows forest cover as percentages of total areas of 6 countries over the period 1990-2022 and their land areas {in million km2) . 
The maximum change in forest area in absolute terms among these countries took place in

QUESTION ID:2

A group of 54 boys and girls was made to stand in a queue as follows: a boy at the start was followed by a girl, then a boy followed by 2 girls, then a boy followed by 3 girls, and so on. The number of boys in the group was

QUESTION ID:3

Suppose liars always lie and truthful persons never. In a group of 4 people A, B, C and D, A says, "We're all liars", B says, "Only one of us is a liar", C says, "No, exactly two of us are liars" and D says, "I'm truthful". Which among the following is definitely FALSE?

QUESTION ID:4

Among five girls standing side by side, Leela has exactly one girl to her left, Alice is just right of Prerna, and there are at least two girls between Radha and Zarina. The girl in the middle is

QUESTION ID:5

A spherical object of radius 6 cm was melted and cast into a cylindrical bar of radius 3 cm. What would be the length (in cm) of the bar?

QUESTION ID:6

A ball starts rolling from the edge of the slope at time t = o as shown in the diagram.

QUESTION ID:7

A 1 m long rod having diameter of 12 mm weighs 880 g. What, approximately, is the density (in g/cm3} of the material of the rod?

QUESTION ID:8

Consider the first few consecutive natural numbers. The ratio of the sum of their squares to their sum can NEVER be

QUESTION ID:9

A straight irrigation canal in a plain area has a floor at a depth of 5 m from the surface. The canal is 20 m wide at the surface. The floor of the canal Is flat and the embankments have a slope of 45°. When it is completely filled, what will be the volume of water (in m3) in the canal over a length of 100m?

QUESTION ID:10

A record player stylus moves along a spiral groove cut on an annular portion of a disc. A record with inner radius 4 cm and outer radius 10 cm of the annulus, turning 100 times plays for 22 minutes. During this time the stylus travels at an average linear speed that is approximately equal to

QUESTION ID:11

Choose the option that will make the following statement FALSE:

A CHILD COUNTED THE NUMBER OF APPEARANCES OF THE LETTER T IN THIS SENTENCE,AND REPORTED IT CORRECTLY AS ________

QUESTION ID:12

If X > Y > 0 , then X % of Y is

QUESTION ID:13

For any four consecutive decimal digits, the largest value of the product of the sum of any two and the sum of the other two is

QUESTION ID:14

The growth model for a population is
                                                              Nt = N0 ert
where Nt is the population at time t, N0 is the initial population and r is the per capita growth rate. How long does it take for the population numbers to double?

QUESTION ID:15

The total monthly income of a family is split into expenses on food (F), house rent (H), college fees (C), entertainment (E), miscellaneous items (M), and savings (S), as shown in the pie chart. 
The family transfers an amount of Rs 1000/- from the head food to the head entertainment, thereby making the expenses on the two heads equal. What is the net expenditure of the family?

QUESTION ID:16

The graph shows average run rate (runs scored per over) by teams A and B in a twenty overs cricket match.
Select the INCORRECT statement.

QUESTION ID:17

A certain item of raw food contains 35% starch, 25% protein, the rest fibre. The item is cooked by boiling in water, which doubles its weight. Half of the fibre in the food becomes soluble when cooked. If the cooked item weighs 200g, the amount of soluble fibre in it is

QUESTION ID:18

If 16x2 - 25y2 + 7 = 0, x and y being positive numbers, then which of the following may hold?

QUESTION ID:19

In humans, if both parents are of blood group AB, then, there is a 1/4 probability that their offspring will be of blood group A, and 1/2 probability that the offspring will be of blood group AB. If the couple have three children, what is the probability that NONE of the children will be of blood group A or AB?

QUESTION ID:20

Every element in the central column of the matrix has a simple arithmetic relationship with the pairs on the left and right in the corresponding row.

What would be the value of x ? 

QUESTION ID:21

Retinal rod cell cGMP-phosphodiesterase is an enzyme with subunit structure as:

QUESTION ID:22

Which one of the following statements regarding plasmodesmata in a plant cell is INCORRECT?

QUESTION ID:23

In animal cells, typically which organelle is only provided by the sperm to the oocyte following fertilization?

QUESTION ID:24

In Caenorhabditis elegans, blastomere identity occurs both through conditional and autonomous modes of cell specification. Which one of the following options is a correct statement in this regard?

QUESTION ID:25

Given below are Ramachandran plots for four different proteins.

Choose the correct pair of proteins, both of which are predominantly alpha helical in nature.

QUESTION ID:26

In the representation of the di-peptide shown below, the superscript '-1 ' denotes the atom of the previous amino acid while '+1 ' denotes the atom of the next amino acid.
The atomic coordinates of how many and which of the following atoms are required to uniquely define the torsion angles, Φ and Ψ of the Ramachandran plot?

QUESTION ID:27

Which one of the following options has the correct set of components for assaying reverse transcriptase activity?

QUESTION ID:28

Which one of the following options includes all plants that are major non-native invaders of aquatic ecosystems in India?

QUESTION ID:29

In which one of the following stages pontogeniculo-occipital (PGO) spikes are found in human EEG recordings?

QUESTION ID:30

Which one of the following represents the predominant 'source organ' during phloem translocation in healthy plants?

QUESTION ID:31

The following are sketches of wild-type and mutant (I - Ill) embryos of Drosophila  melanogaster.

Which one of the following options represents a correct match between the gene and its loss of function phenotype?

QUESTION ID:32

Which one of the following statements regarding mammalian innate immunity is INCORRECT?

QUESTION ID:33

Which one of the following is an example of dishonest signaling?

QUESTION ID:34

If chimeric mouse embryos were generated using GFP-expressing embryonic stem cells and RFP-expressing induced pluripotent stem cells, which one of the following tissues from any resulting embryos will not express any fluorescent protein?

QUESTION ID:35

Which one of the following activities is associated with Mitochondria-associated ER membranes (MAM)?

QUESTION ID:36

Which one of the following pairs correctly matches the enzyme with its allosteric activator?

QUESTION ID:37

Cell lysate in 1 % TX100 was purified over an affinity column to isolate a complex with certain enzymatic activity. The purified enzyme complex was separated on a 10-50% continuous sucrose gradient. Shown below are the UV spectra using an absorbance filter at 280nm or 260nm.