Question

A. MCQs-Choose the correct answers.
1. Plants get nitrogen from

(a) air
(b) soil
(c) animals
(d) all of these

2. The edible mushrooms are rich in

(a) proteins
(b) sulphur
(c) phosphorus
(d) all of these

3. Plants manufacture food in the form of

(a) starch
(b) fructose
(c) glucose
(d) proteins

4. Plants obtain carbon dioxide from air through

(a) stomata in leaf
(b) xylem of root
(c) leaf vein
(d) stem surface

5. This is a partial parasite.

(a) Apodanthes
(b) Cuscuta
(c) Mistletoe
(d) none of these

6. All green plants are

(a) heterotrophs
(b) autotrophs
(c) parasites
(d) none of these

7. Organisms that live on other organisms are called

(a) heterotrophs
(b) autotrophs
(c) symbionts
(d) parasites

8. In iodine test, starch turns

(a) yellow
(b) blue-black
(d) black
(c) green​

Answer 1

Answer:

1.Soil

2 Protein

3.Starch

4.stomata in leaf

5.Mistletoe

6.autotrophes

7.Parasites

8.blue-black

Explanation:

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Answer 2

1. soil

2. phosphorus

3. starch

4. stomata in leaf

5. mistletoe

6. autotrophs

7. heterotrophs

8. blue-black

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