NEET BIOLOGY Assertion Reason Quiz 27 JULY

Assertion & Reason Test (Q1-Q20)

1. If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
2. If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
3. If Assertion is True but the Reason is False.
4. If both Assertion and Reason are False.

Q.1
Assertion: The pyramid of biomass indicates the decrease in biomass in successive trophic levels.
Reason: In tree ecosystem pyramid of biomass is inverted.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.2
Assertion: Each ecosystem has two types of biotic components autotrophs and heterotrophs.
Reason: Autotrophs synthesize food while heterotrophs utilize and resynthesize it.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.3
Assertion: Detritus food chain depends upon light energy.
Reason: In this food chain food starts with producers.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.4
Assertion: Tundra biome is most delicate fragile biome.
Reason: Trees and shrubs are densely distributed in this biome.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.5
Assertion: In ecological pyramids, producers always occupy the base.
Reason: Pyramids of number and biomass are mostly upright but pyramid of energy always inverted.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.6
Assertion: Energy flow in ecosystem is bidirectional.
Reason: Amount of energy increase with each trophic level.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.7
Assertion: Biotic and abiotic components constitute ecosystem.
Reason: Sun is the ultimate source of energy in ecosystem.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.8
Assertion: Predators directly depend on producers for food.
Reason: Tertiary consumers are green plants.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.9
Assertion: In predation, one organism is killed by another and used as food.
Reason: Predator lives on interest.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.10
Assertion: In ecosystem, producers convert organic compounds to inorganic compounds.
Reason: Consumers are directly dependent on solar energy.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.11
Assertion: Biosphere consists of hydrosphere, lithosphere and atmosphere.
Reason: Biosphere is formed of only nonliving matter.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.12
Assertion: Crop field is a natural ecosystem.
Reason: Complex food chain is found in this ecosystem.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.13
Assertion: Agroecosystem is man made and stable ecosystem.
Reason: It can be maintained by biological control.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.14
Assertion: Pyramid of biomass in aquatic ecosystem is inverted.
Reason: Number of phytoplanktons are maximum in aquatic ecosystem.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.15
Assertion: Lion is an ecologically weakest animal.
Reason: 90% energy is lost when transferred between trophic levels.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.16
Assertion: Earth is a closed system for mineral cycle.
Reason: Mineral cycle takes place between abiotic and biotic components.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.17
Assertion: Pyramid of energy is always upright.
Reason: There is a gradual decrease in energy at successive trophic levels.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.18
Assertion: Ecological efficiency always decrease.
Reason: The percentage energy transferred always increases.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.19
Assertion: In ecosystem energy flow is always unidirectional.
Reason: In food web energy flows from different pathways.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.

Q.20
Assertion: According to Lindeman only 90% energy is transferred to next trophic level.
Reason: 10% energy is lost at each trophic level due to respiration & heat.

(1) If both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
(2) If both Assertion and Reason are True but Reason is not the correct explanation of the Assertion.
(3) If Assertion is True but the Reason is False.
(4) If both Assertion and Reason are False.