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Diversity in Living Organisms

Description: Diversity in Living Organisms
Number of Questions: 15
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Tags: Diversity in Living Organisms Physical and Life Science CHSL (Combined Higher Secondary Level) General Biology Biology
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Which of the following diseases is/are caused due to fungus?

(1) Cholera (2) Plague (3) Tuberculosis (4) Ringworm

  1. Only (1)

  2. Both (2) and (4)

  3. Both (3) and (4)

  4. Only (4)

Show answer
Correct Option: D
Explanation:

Cholera, plague and tuberculosis are caused due to bacterial infection. Ringworm (tinea) is caused by a fungal infection on the skin.

Consider the following statements: (i) A fish has two-chambered heart. (ii) Mushroom (edible fungi) is basically a parasite.

Which of the given statements is/are correct?

  1. Only (i)

  2. Only (ii)

  3. Both (i) and (ii)

  4. Neither (i) nor (ii)

Show answer
Correct Option: D
Explanation:

(I) Statement (i) is wrong. Fishes belong to class 'Amphibia' and the organisms belonging to this class have three-chambered heart.  (II) Statement (ii) is wrong. An organism, which feeds, grows and lives on/in different organisms, is characterized under parasites. For example, lice A mushroom (or toadstool) is the fleshy, spore-bearing fruiting body of a fungus and is a saprophyte (obtain nourishment from dead or decaying organic matter.) 

Which of the following represents the correct hierarchy of classification of organisms?

  1. Kingdom – Phylum – Species – Class – Genus

  2. Kingdom – Phylum – Class – Genus – Species

  3. Phylum – Kingdom – Class – Genus – Species

  4. Genus – Kingdom – Class – Phylum – Species

Show answer
Correct Option: B
Explanation:

The correct hierarchy of classification of organisms is Kingdom – Phylum – Class – Genus – Species.

For example: 
Kingdom:   Animalia
Phylum:   Chordata
Class:   Mammalia
Genus:   Homo Species:   Sapiens

Find the incorrect pair(s). (1) Pitcher plant - Omnivorous (2) Frog - Carnivorous (3) Mango tree - Herbivorous (4) Man - Omnivorous

  1. Only (1)

  2. Only (1) and (2)

  3. Only (1) and (3)

  4. Only (3) and (4)

Show answer
Correct Option: C
Explanation:

Pitcher plant is a carnivorous plant. It sucks the blood of prey and gets the nourishment from it.

Frog is a carnivorous animal. It gets the nutrients from insects, mosquitoes, flies, etc.

Mango tree is an autotroph. It manufactures its food with the help of sunlight. Man is an omnivore. It gets its nutrients from both plants and animals.

Consider the following statements:

  1. Fruit juices turn bitter in taste if they are kept in open place for some time because bacteria of the atmosphere react with the juices.
  2. Organisms which give birth to young ones directly are viviparous animals.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: B
Explanation:

Statement (1) is incorrect. Fruit juices turn bitter in taste if they are kept in open place for some time because of fermentation of juice by yeast. Statement (2) is correct. Organisms which give to birth to young ones directly are viviparous animals. For example, dogs, cats, etc.

Consider the following statements:

  1. The headquarters of NBA (National Biodiversity Authority), a statutory body under the Ministry of Environment and Forests, are in Chennai.
  2. The fish, which are used for the treatment of skin problems are called Doctor Fish.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: C
Explanation:

Statement (1) is correct. Yes, the headquarters of NBA (National Biodiversity Authority), a statutory body under Ministry of Environment and Forests, are in Chennai. Statement (2) is correct. Nowadays, Doctor Fish (Garra Rufa) are used to remove dead skin cells through natural exfoliation.

Consider the following statements:

(1) Frogs undergo respiration both through lungs and skin. (2) Bald eagle is the national animal of England.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: A
Explanation:

Statement (1) is correct. Frogs undergo both pulmonary (through lungs) and cutaneous respiration (through skin).

Statement (2) is incorrect. Bald eagle is the national animal of USA. The national animal of England is Lion.

Which of the following characteristics help in conservation of water in cactus?

  1. Elongated roots
  2. Presence of large amount of chlorophyll
  3. Waxy coating around the plant body
  4. Reduced leaves into spikes

  1. Only (1), (2) and (3)

  2. Only (2), (3) and (4)

  3. Only (1), (3) and (4)

  4. All of these

Show answer
Correct Option: C
Explanation:
  • Cactus develops long roots to go deep into the ground to get water. - Chlorophyll only helps in photosynthesis; it does not help in conservation of water. -  Waxy coating around the plant body reduces water loss.
    • The leaves of cactus are reduced to spikes resulting less number of stomata and less transpiration.

Consider the following statements:

  1. Snakes undergo aestivation, which is also known as 'summer sleep' to avoid heat and dryness.
  2. 'Physalia' a jellyfish is also called 'Portuguese man of war'.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: B
Explanation:

Statement (1) is incorrect. Snake is a cold blooded animal. It undergoes hibernation, which is also known as 'winter sleep'. Statement (2) is correct. 'Physalia' a jellyfish is also called 'Portuguese man of war'.

Consider the following statements:

  1. Python is the largest poisonous Indian snake.
  2. Vermiform appendix is a vestigal organ of humans.

Which of the given statements is/are incorrect?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: A
Explanation:

(i) Statement (1) is incorrect. King cobra is the largest poisonous Indian snake.

(ii) Statement (2) is correct. The organs, which served a purpose in the distant ancestor of an organism, which are no longer functional in the presently existing organisms, are called vestigial organs. Vermiform appendix is a vestigal organ of humans.

Consider the following statements:

  1. Gavial/Ghariyal is found in brackish water.
  2. Snakes do not have movable eyelids.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: B
Explanation:

Statement (1) is incorrect. Gharials live in clear freshwater rivers with fast flowing currents. Statement (2) is correct. Snakes do not have moveable eyelids, but transparent caps called 'brille'.

Match the following:

 
Organisms
Classes
1. Earthworm
(a) Reptile
2. Dog
(b) Amphibia
3. Toad
(c) Mammal
4. Crocodile
(d) Annelida

  1. (1) - (c), (2) - (d), (3) - (b), (4) - (a)

  2. (1) - (a), (2) - (c), (3) - (b), (4) - (d)

  3. (1) - (d), (2) - (c), (3) - (b), (4) - (a)

  4. (1) - (b), (2) - (c), (3) - (d), (4) - (a)

Show answer
Correct Option: C
Explanation:

stify>(2) Dog - (c) Mammal

(3) Toad - (b) Amphibia (4) Crocodile - (a) Reptile

Consider the following statements:

  1. In mammals, diaphragm makes a partition between lungs and heart.
  2. A camel has three-chambered stomach.

Which of the given statements is/are incorrect?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: A
Explanation:

Statement (1) is incorrect. In mammals, diaphragm makes a partition between thoracic and abdominal cavities. Statement (2) is correct. Yes, a camel has three-chambered stomach to store large amount of water.

Consider the following statements:

  1. Most dinosaurs became extinct in late Jurassic period.
  2. A mango has dicot (two cotyledons) seed.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: B
Explanation:

Statement (1) is incorrect. Most dinosaurs became extinct in Crustacean period. Statement (2) is correct. Yes, a mango has dicot (two cotyledons) seed.

Consider the following statements:

  1. Infrasonic sound can be differentiated by bats.
  2. Dolphin is not a fresh water mammal.

Which of the given statements is/are correct?

  1. Only (1)

  2. Only (2)

  3. Both (1) and (2)

  4. Neither (1) nor (2)

Show answer
Correct Option: B
Explanation:

Statement (1) is incorrect. Ultra sonic sound can be differentiated by bats. Statement (2) is correct. Dolphin is not a marine water mammal.

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