11th class (FSc) Biology Unit 12 MCQs
Chapter 12 MCQs 11th Class Biology
Nutrition:
1. Most vitamins function as:
a. Gastro vascular energy
b. Catalyst
c. Transport molecule
d. High energy compound
2. A plant requires nitrogen and sulfur for its:
a. Starch deposits
b. Cell wall
c. DNA replication
d. Enzymes
3. A plant requires potassium for:
a. Opening and closing of stomata
b. Synthesizing protein
c. Synthesizing chlorophyll
d. None of these
4. Which of the following animals has no need for a gall bladder?
a. Lion
b. Cat
c. Goat
d. Man
5. Deficiency of phosphorus in plants causes:
a. Premature death of plants
b. Chlorosis
c. Yellowing of leaf margins
d. Stunted growth of roots
6. Magnesium is an important nutrient ion in green plant as it is an essential components of:
a. Chlorophyll
b. Cell sap
c. Glucose
d. Protein
7. In plants stunted growth of roots is due to deficiency of:
a. Magnesium
b. Potassium
c. Nitrogen
d. Phosphorus
8. Digestion in hydra and planaria takes place within their:
a. Alimentary canal
b. Coelom
c. Mouth
d. Gastro vascular cavity
9. These animals have large canine:
a. Herbivores
b. Carnivores
c. Omnivores
d. Detritivores
10. Carnivorous plants live in soils that are deficient in:
a. Nitrogen
b. Water
c. Iron
d. Oxygen
11. A mammalian herbivore has:
a. More teeth than
b. Fewer teeth than a carnivore
c. More pointed teeth than a carnivore
d. Flatter teeth than a carnivore
12. The animals which ingest food in liquid form are called:
a. Macrophageous feeders
b. Carnivores
c. Fluid filters
d. Filter feeders
13. The animals which feed on other animals are :
a. Carnivores
b. Herbivores
c. Detritivores
d. Omnivores
14. Seizing and swallowing type of macro-phageous feeding is found in:
a. Mussels
b. Aphids
c. Spotted dog fish
d. Hydra
15. Certain types of whales are also:
a. Omnivores
b. Detritivore
c. Filter feeders
d. Fluid feeders
16. Which one is a parasitic plant?
a. Sundew
b. Pitcher plant
c. Dodder
d. Venus fly trap
17. The organism that lives upon or within another organism is called:
a. Parasite
b. Predator
c. Host
d. Pest
18. Which one of the following is not a carnivore?
a. Lion
b. Cat
c. Deer
d. Dog
19. In root nodules bacteria convert nitrogen into:
a. Urea
b. Ammonia
c. Nitrite
d. Nitrate
20. Which are not omnivores?
a. Crows
b. Bears
c. Pigs
d. Deer
21. Animals that feed on plants are called:
a. Omnivores
b. Herbivores
c. Filter feeders
d. Carnivores
22. A common mussel has two large gills covered with:
a. Flagella
b. Shell
c. Cilia
d. Pseudopodia
23. The animals which eat both plants and animals are called:
a. Filter feeders
b. Herbivores
c. Omnivores
d. Carnivores
24. The animals which feed on organic debris are:
a. Omnivores
b. Herbivores
c. Detritivores
d. Carnivores
25. Biological name of Sundew is:
a. Sarracemia pupurea
b. Dionaea muscipula
c. Medicgo stiva
d. Drosera intermedia