Question

1. Which of the following are energy foods?

(a) Carbohydrates and fats

(b) Proteins and mineral salts

(c) Vitamins and minerals

(d) Water and roughage

Answer

2. In which mode of nutrition an organism de-rives its food from the body of another living

organism without killing it?

(a) Saprotrophic nutrition

(b) Parasitic nutrition

(c) Holozoic nutrition

(d) Autotrophic nutrition

Answer

3. The mode of nutrition found in fungi is:

(a) Parasitic nutrition

(b) Holozoic nutrition

(c) Autotrophic nutrition

(d) Saprotrophic nutrition

Answer

4. Roots of the plants absorb water from the soil through the process of:

(a) diffusion

(b) transpiration

(c) osmosis

(d) None of these

Answer

5. The site of photosynthesis in the cells of a leaf is

(a) chloroplast

(b) mitochondria

(c) cytoplasm

(d) protoplasm

Answer

6. In amoeba, food is digested in the:

(a) food vacuole

(b) mitochondria

(c) pseudopodia
(d) chloroplast ​

Answer 1

Answer:

1) a

2) ×

3) d

4) b

5) a

6) a

Explanation:

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Answer 2

1.Carbohydrates and fats are energy foods
2.parasitic nutrition
Ex. Cuscuta , Rafflesia, viscum and striga
3. Fungi mode of nutrition is of various types, so all of the above
4.diffusion
From higher water potential to lower water potential
5.chloroplast
It is double membrane bounded, it consists of grana,thylakoids,stroma lamellae etc.
6.food vacuole
They also help in excretion


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