Nutrition in Plant and Animals Worksheet-5

Nutrition in Plant and Animals Worksheet-5

1. The living beings which cannot synthesize food on their own are called:

(a) Autotrophs                              (b) Heterotrophs

(c) Blue-green algae                    (d) Plants

2. Plants excrete gases through:

(a) Microscopic pores in leaves

(b) Small porous roots

(c) Flowers

(d) Seeds

3. Nutrients are absorbed by villi in:

(a) Small intestine                        (b) Large intestine

(c) Pancreas                                  (d) Stomach

4. Bile and pancreatic juices are added in:

(a) Small intestine                        (b) Large intestine

(c) Pancreas                                   (d) Stomach

5. In humans, the small intestine is about _____ long. The large intestine is only ______ long.

(a) 6 m, 1.5 m                                (b) 5 m, 1.5 m

(c) 9 m, 2 m                                   (d) 8.5 m, 1.5 m

6. Bile is a:

(a) Greenish yellow liquid produced by the liver that neutralizes acids and emulsifies fats in the duodenum

(b) Greenish yellow liquid produced by the liver that neutralizes acids and breaks down proteins in the duodenum

(c) Greenish yellow liquid produced by the liver that neutralizes acids and breaks down carbohydrates in the duodenum

(d) None of these

7. What do the following figures represent?

(a) Amoeba using its pseudopodia for nutrition

(b) Hydra using its tentacles for nutrition

(c) Hydra using its cillia for nutrition

(d) Paramoecium using its tentacles for nutrition

8. In the given figure, what does P, Q, R & S correctly represent?

(a) P–Canine; Q–Molar; R–Premolar; S–Incisor

(b) P–Molar; Q–Premolar; R–Incisor; S–Canine

(c) P–Canine; Q–Incisor; R–Molar; S–Premolar

(d) P–Canine; Q–Incisor; R–Premolar; S–Molar

9. The steps in the digestive process listed below are not in order. What is the correct order of these events as food passes through the human digestive tract?

(i) Water and vitamin absorption begins.

(ii) Food is liquefied; breakdown of proteins begins.

(iii) Food is moistened; breakdown of starch begins.

(iv) Proteins, carbohydrates, and fats break down; nutrients are absorbed into the bloodstream.

(a) (ii), (iv), (i), (iii)                     (b) (iv), (ii), (iii), (i)

(c) (i), (iii), (ii), (iv)                      (d) (iii), (ii), (iv), (i)

10. Statement A: All green plants have chlorophyll pigment.

Statement B: Without chlorophyll, photosynthesis cannot take place.

From the above statements, Anita concluded that the dark red coloured croton plants in her garden cannot prepare food on its own. But her teacher said it is not correct. Why?

(a) Croton plants are green but do not contain chlorophyll

(b) Croton plants are dark red in colour but do not contain chlorophyll

(c) Croton plants have chlorophyll but it is hidden by dark red colour

(d) Croton plants do not have chlorophyll but they can prepare    their own food.

Answer Key:

1. (b)
2. (a)
3. (a)
4. (a)
5. (a)
6. (a)
7. (b)
8. (d)
9. (d)
10. (c)