Prelims Revision Series | Science and Tech| Classification of Organisms | 25

May 19, 2023

Find out incorrect sentence

(A) Protista includes unicellular eukaryotic organisms
(B) Whittaker considered cell structure, mode and source of nutrition for classifying the organisms in five kingdoms
(C) Both Monera and Protista may be autotrophic and heterotrophic
(D) Monerans have well defined nucleus

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Answer : D

Which among the following has specialised tissue for conduction of water?
(i) Thallophyta
(ii) Bryophyta
(iii) Pteridophyta
(iv) Gymnosperms

(A) (i) and (ii)
(B) (ii) and (iii)
(C) (iii) and (iv)
(D) (i) and (iv)

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Answer : C

Pteridophyta do not have

(A) Root
(B) Stem
(C) Flowers
(D) Leaves

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Answer :C

In which group of animals, coelom is filled with blood?

(A) Arthropoda
(B) Annelida
(C) Nematoda
(D) Echinodermata

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Answer : A

Elephantiasis is caused by

(A) Wuchereria
(B) Pinworm
(C) Planarians
(D) Liver flukes

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Answer : A

Which among the following have scales?
(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals

(A) (i) and (iii)
(B) (iii) and (iv)
(C) (ii) and (iii)
(D) (i) and (ii)

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Answer : C

Corals are

(A) Poriferans attached to some solid support
(B) Cnidarians, that are solitary living
(C) Poriferans present at the sea bed
(D) Cnidarians that live in colonies

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Answer : D

Skeleton is made entirely of cartilage in

(A) Sharks
(B) Tuna
(C) Rohu
(D) None of these

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Answer : A

One of the following is not an Annelid

(A) Nereis
(B) Earthworm
(C) Leech
(D) Urchins

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Answer : D

In taxonomic hierarchy family comes between

(A) Class and Order
(B) Order and Genus
(C) Genus and Species
(D) Division and Class

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Answer : B

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index?
1. Carbon dioxide.
2. Carbon monoxide
3. Nitrogen dioxide
4. Sulfur dioxide
5. Methane
Select the correct answer using the code given below

(A) 1, 2 and 3 only
(B) 2, 3 and 4 only
(C) 1, 4 and 5 only
(D) 1,2,3,4 and 5

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Answer : B

Which of the following can be considered as ecological implications of desertification:
1. Lowering of water table
2. Decreasing water carrying capacity of rivers
3. Excessive soil erosion by water
Select the correct answer using the code given below:

(A) 1 and 2 only
(B) 2 and 3 only
(C) 1 only
(D) 1, 2 and 3

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Answer: D

Which of the following are declared as the 'UNESCO's World Heritage Sites'?
1. Great Himalayan National Park
2. Western Ghats
3. Manas Wildlife Sanctuary
4. Cold Desert National Park
Select the correct answer from the codes given below:

(A) 1 only
(B) 1 and 2 only
(C) 1, 2 and 3 only
(D) 1, 2, 3 and 4

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Answer :C

Which among the following is a Ramsar Site, an inland Salt Lake and an important bird area in India?

(A) Kanwar Lake
(B) Sambhar Lake
(C) DiporBil
(D) Thol Lake

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Answer : B

Consider the following statements regarding Thermal Pollution:
1. Elevated temperature typically decreases the level of dissolved oxygen (DO) in water.
2. It decreases the metabolic rate of aquatic animal’s results in consumption of less food.
3. A large increase in temperature can lead to the denaturing of life-supporting enzymes.
Which of the above statements is /are incorrect?

(A) 1 and 2 only
(B) 2 only
(C) 1 and 3 only
(D) 3 only

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Answer :B