Plant Taxonomy MCQs with Answers Set 5 – Biology Quiz

Question 1. After bringing out of water fishes die because______.

(A) They cannot move in water

(B) They cannot breathe

(C) Their body temperature increases

(D) They get excess quantity of oxygen

Question 2. Fish generally breathe through______.

(A) Fins

(B) Gills

(C) Nose

(D) Skin

Question 3. Redness in apple is due to______.

(A) Xanthophyll

(B) Carotene

(C) Lycopene

(D) Anthocyanin

Question 4. Red colour in tomato is due to______.

(A) Lycopene

(B) Xanthophyll

(C) Capsaicin

(D) None of these

Question 5. The yellow colour of papaya is due to_____.

(A) Carotene

(B) Caricaxznthin

(C) Lycopene

(D) Papain

Question 6. Opium is obtained from which part of the poppy plant?

(A) Roots

(B) Unripe fruits

(C) Leaves

(D) Flower

Question 7. Which of the following groups of living beings belong to the same species?

(A) Lizards, Crocodiles and Snakes

(B) Pigeons, Doves and Partridges

(C) Tigers, Lions and Cats

(D) Chinese, American, Indian and Black Africans

Question 8. Yeast is an example of_____.

(A) Algae

(B) Virus

(C) Fungus

(D) Bacteria

Question 9. Yeast and mushrooms are______

(A) Tuberous Roots

(B) Fungi

(C) Gymnosperm

(D) Algae

Question 10. What is a mushroom?

(A) Bacteria

(B) Animal

(C) Plant

(D) Fungi

Question 11. Mushroom used in for making juicy vegetable is a

(A) Flesh of animal

(B) Green vegetable

(C) Algae

(D) Fungus

Question 12. Major component of cotton is_____.

(A) Glycerin

(B) Cellulose

(C) Fatty acid

(D) Protein

Question 13. Lichen are the complex creature, made from______.

(A) Algae and bacteria

(B) Fungi and bryophytes

(C) Fungus and algae

(D) Fungus and bacteria

Question 14. Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of_______.

(A) Fungi and mosses

(B) Bacteria and fungi

(C) Algae and fungi

(D) Algae and bacteria

Question 15. Noscapine is obtained from______.

(A) Ephedra

(B) Eucalyptus

(C) Basil

(D) Poppy

Question 16. Heroin is obtained from______.

(A) Areca nut

(B) Tobacco

(C) Opium poppy

(D) Indian hemp

Question 17. We get morphine from______.

(A) Stem

(B) Fruit

(C) Leave

(D) Flower

Question 18. Opium is obtained from______.

(A) Latex from ripe fruit

(B) Latex from unripe fruit

(C) Roots

(D) Dried leaves

Question 19. The main constituent of opium is______.

(A) Quinine

(B) Atropine

(C) Heroin

(D) Morphine

Question 20.

• Assertion (A): Amoeba reproduces by fission.
• Reason (R): All unicellular organisms reproduce by asexual methods.

(A) (A) is false, but (R) is true

(B) (A) is true, but (R) is false

(C) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(D) Both (A) and (R) are true and (R) is the correct explanation of (A)

Question 21. Consider the following animals.

1. Sea cow
   
2. Sea horse
   
3. Sea lion
   

Which of the above is/are mammal/ mammals?

(A) All of these

(B) 2 and 3

(C) 1 and 3

(D) Only 1

Question 22. Consider the following statements about mosquitoes.

1. Only males suck blood.
   
2. Only females suck blood.
   
3. Females suck plant juices.
   
4. Males have bigger wings than females.
   
5. Females have bigger wings than males.
   

Of these:

(A) Only 2 and 5 are correct

(B) Only 3 and 5 are correct

(C) Only 1 and 2 are correct

(D) Only 2 and 4 are correct

Question 23. Match the following.

Code

Question 24. Match List-I with List-II and select the correct answer using the code given below the lists.

Code

Question 25.

• Assertion (A): Some bacteria can synthesize their own food.
• Reason (R): These bacteria have green matter called chloroplasts.
  

Code

(A) (A) is false, but (R) is true

(B) (A) is true, but (R) is false

(C) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(D) Both (A) and (R) are true and (R) is the correct explanation of
(A)

Question 26. Read the given statements.

• Assertion (A): The root systems of desert plants are longer.
• Reason (R): High temperature of soil encourages the growth of roots.

Referencing the above, which one is the right answer?

(A) (A) is false, but (R) is true

(B) (A) is true, but (R) is false

(C) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

(D) Both (A) and (R) are true and (R) is the correct explanation of
(A)

Question 27. Consider the following statements.

1. Weeping jelly is due to an excess of acid.
2. Biofertilizer most suited to sugarcane are Rhizobium.
3. Plants grown in saltwater are called thallophytes.
4. Dormancy breaking hormone is cytokinin.

Which of these statements are correct?

(A) Only 4 and 1

(B) Only 3 and 4

(C) Only 2 and 3

(D) Only 1 and 2