Free Organisms And Populations (Daily Quiz: 7) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

In an area, there are 200 Parthenium and a single banyan tree. For the information given above which of the following conclusive statement(s) is/are correct?

1. Population density of banyan is high.
2. Population cover area of banyan is high.
3. In above case, the percentage of cover area or biomass is more meaningful than population size.

(a) I and II

(b) Only I

(c) II and III

(d) I, II and III

Question-2

Study the four statements (1 to 4) given below and select the two correct ones out of them.

1. A lion eating a deer and a sparrow feeding on grain are ecologically similar in being consumers.
2. Predator star fish Pisaster helps in maintaining species diversity of some invertebrates.
3. Predators ultimately lead to the extinction of prey species.
4. Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders.

The two correct statements are

(a) (C) and (D)

(b) (B) and (C)

(c) (A) and (D)

(d) (A) and (B)

Question-3

Natural selection operates to evolve the desired tracts at

(a) species level

(b) cellular level

(c) community level

(d) population level

Question-4

The below diagram represents which flower?

(a) Fig flower

(b) Orchid flower

(c) Sunflower

(d) Rose flower

Question-5

Animals eating plants are categorised separately as …A…, they are in a broad ecological context, not very different from …B… . Choose the correct option A and B.

(a) A–herbivores; B–omnivores

(b) A–herbivores; B–predator

(c) A–omnivores; B–herbivores

(d) A–omnivores; B–predator