AP Police 2019 Mains General Awareness

Instructions

For the following questions answer them individually

Question 21

Observe the following lists and match correct combinations.


Correct answer of A,B,C,D and E is

Video Solution


Question 22

Assertion (A): 'SRI' in SRI vari is 'System of Rice Intensification'.
Reason (R): Any rice variety can be cultivated as semi arid using less amount of seed and less water.

Video Solution


Question 23

Identify the incorrect matches from the following.


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Question 24

Assertion (A): Conversion of solid nitrates $$(NO3^-)$$ into gaseous Nitrogen($$N_2$$) by bacteria is called denitrification.
Reason (R): Denitrifying bacteria grow in wet soils.

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Question 25

Assertion (A): Fewer the steps in the food chain, more energy will flow to the species of higher trophic level.
Reason (R): Energy loss during transformation from one tropic level to the next will be minimized.

Video Solution


Question 26

Study the following pyramids of numbers and identify the shape of the pyramid.
A) Banyan tree $$\rightarrow$$ Insects $$\rightarrow$$ Parasites on insects

B) Grass plants $$\rightarrow$$ Rabbits $$\rightarrow$$ Wolf

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Question 27

Phosphodiester bonds are seen in the following biomolecules

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Question 28

Choose the living organisms that are being used as biocontrol agents.
I. Bacillus thuringiensis
II. Trichoderma
III. Dragon fly
IV. Tungro virus

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Question 29

The term 'Ecological pyramid' was introduced by

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Question 30

Natural mutations in plants and animals were first observed by

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