MEDIUM
7th Foundation
IMPORTANT
Earn 100

Read the given statements and select the correct option.
Statement 1: The digested food is absorbed mainly in the small intestine.
Statement 2: The inner wall of small intestine contains numerous finger-like projections called villi.

100% studentsanswered this correctly

Important Questions on Nutrition in Plants and Animals

HARD
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 6
The given list shows the five steps needed to do a starch test but in a random order.
(i) Pluck a leaf from the plant.
(ii) Leave a potted plant out in the Sun for a few hours.
(iii) Boil the leaf in alcohol.
(iv) Put the leaf in boiling water for 2 minutes.
(v) Wash the leaf and then add a few drops of iodine solution over it.
Select the option with correct order of these Steps.
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 7

The given figure shows the movement of food through the oesophagus. This movement is aided by the muscles of the oesophagus in a wave-like action called

Question Image

MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 8

Refer to the given figure of the human digestive system. What is X here and what is its function?

Question Image

MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 9

The given figures show different types of teeth. Which of these is used for biting and cutting food?

Question Image

MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 10
Read the given statements.
(i) Paramecium has stiff hair-like structures called___all over its body, which are used for___.
(ii) Hydra has a number of ___around its mouth, that entangle small aquatic animals and kill them with their ___ cells.
(iii) Frog uses its long, sticky___to catch insects.
(iv) Mosquito sucks up the blood of animals with its___.
Select the option which correctly fills the blanks in any two of these statements.
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 11

The given figure shows the human digestive system. In which labelled part digestion of fat is completed?

Question Image

MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 12
In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?
MEDIUM
7th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 7>Chapter 1 - Nutrition in Plants and Animals>EXERCISES>Q 13
Most crops require a lot of nitrogen to synthesise the proteins. The bacterium Rhizobium helps some of the crops to get nitrogen. Which of the following statements is incorrect for Rhizobium?