TLS Online TPP Program

#Question id: 37851


An unorganized mass of cells formed when plant tissues are cultured on agar-gelled nutrient medium is called:

#Plant Biotechnology
  1. Protoplast
  2. Callus
  3. Embryoid
  4. Meristem
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TLS Online TPP Program

#Question id: 40165

#Botany

Match List I with List II
LIST I (Phytohormone)LIST II (Physiological Effect)
A. AuxinI. Fruit Ripening
B. GibberellinII. Stomatal Closure (Stress hormone)
C. EthyleneIII. Apical Dominance
D. Abscisic Acid (ABA)IV. Bolting (Internode elongation)
Choose the correct answer from the options given below:

TLS Online TPP Program

#Question id: 40166

#Botany

Match List I with List II
LIST I (Cell Organelle)LIST II (Function)
A. Smooth Endoplasmic ReticulumI. Formation of spindle fibers
B. Golgi ApparatusII. Lipid Synthesis
C. NucleolusIII. Glycosylation & Packaging
D. MicrotubulesIV. rRNA Synthesis
Choose the correct answer from the options given below:

TLS Online TPP Program

#Question id: 40167

#Environmental Science

Which of the following ecological pyramids is always upright?

TLS Online TPP Program

#Question id: 40168

#Environmental Science

Match the Air Pollutant (List I) with its Primary Source (List II):

LIST I (Pollutant)LIST II (Primary Source)
A. Chlorofluorocarbons (CFCs)I. Incomplete combustion of fossil fuels
B. Sulfur Dioxide (SO2)II. Refrigerators and Air Conditioners
C. Carbon Monoxide (CO)III. Thermal Power Plants
D. Methane (CH4)IV. Paddy fields and ruminant livestock
Choose the correct option:

TLS Online TPP Program

#Question id: 40169

#Environmental Science

 Which of the following is an example of Ex-situ conservation?

TLS Online TPP Program

#Question id: 40170

#Environmental Science

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Acid rain causes damage to historical monuments made of marble (like the Taj Mahal).
Reason (R): Sulfur dioxide in the air reacts with calcium carbonate in marble to form calcium sulfate (Gypsum), causing the stone to flake off.
In light of the above statements, choose the correct answer: