Free Organisms And Populations (Daily Quiz: 3) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Population ecology is a bridge between evolution and __________.

(a) Population genetics

(b) Population morphology

(c) Population proteomics

(d) Population variation

Question-2

Benthic organisms are affected the most by

(a) surface turbulence of water

(b) light reaching the forest floor

(c) sediment characteristics of aquatic ecosystems

(d) water-holding capacity of soil.

Question-3

Even a plant species, which makes its own food, cannot survive alone, it needs soil microbes to breakdown the …A… matter in soil and return the …B… nutrients for absorption. And then, how will the plant manage pollination without an animal agent? It is obvious that in nature, animals, plants and microbes cannot live in …C… but interact in various ways to form a biological community. Choose the correct option for A, B and C.

(a) A–organic, B–inorganic, C–isolation

(b) A–inorganic, B–organic, C–isolation

(c) A–organic, B–inorganic, C–community

(d) A–inorganic, B–organic, C–community

Question-4

Read the following statements (i to v) and answer the question.

1. Temperature progressively decreases from pole to equator.
2. Our intestine is a unique habitat for hundreds of species of microbes.
3. Average temperature exceeds 100°C in thermal springs and hydrothermal vents.
4. In polar areas and high altitudes temperature goes to 70°C.
5. Temperature goes to > 50°C in tropical desert in summer.

How many of the above statements are incorrect?

(a) (i), (iv)

(b) (i), (ii), (iii)

(c) (ii), (iv), (v)

(d) (iii), (iv)

Question-5

Percolation and water holding capacity of soil is dependent upon

(a) grain size

(b) soil composition

(c) aggregation

(d) all of these