Exercise 1.3

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Subject Experts Science Solutions for Exercise 1.3

Simple step-by-step solutions to Exercise 1.3 questions of Nutrition in Plants from Exam Guru Science. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercise 1.3 with Hints & Solutions

HARD
7th CBSE
IMPORTANT

What are saprotrophs? How does a saprotroph digest its food?

HARD
7th CBSE
IMPORTANT

How would you test the presence of starch in leaves?

HARD
7th CBSE
IMPORTANT

Distinguish between a parasite and a saprotroph.

HARD
7th CBSE
IMPORTANT

Give a brief description of photosynthesis in green plants.

HARD
7th CBSE
IMPORTANT

Show with the help of a sketch that plants are the ultimate source of food.

MEDIUM
7th CBSE
IMPORTANT

Potato and ginger are both underground parts that store food. Where is food prepared in these plants?

MEDIUM
7th CBSE
IMPORTANT

Wheat dough left in the open, after a few days, starts to emit a foul smell and becomes unfit for use. Give reason.

HARD
7th CBSE
IMPORTANT

Nitrogen is essential for plant growth. But farmers who cultivate pulses do not apply nitrogenous fertilizers during cultivation. Why?