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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

Why does water hyacinth float?

Answer»

The stem of water hyacinth is filled with air and its leaves are specially modified, which helps it to float in water.

2.

Match the pairs :Column 'A'Column 'B'1. Amphibiansa. A monkey2. Vertebratesb. A snake3. With scalesc. A frog

Answer»
Column 'A'Column 'B'
1. Amphibiansc. A frog
2. Vertebratesa. A monkey
3. With scalesb. A snake
3.

Who is the odd one out?(a) Fungus, mushroom, chrysanthemum, spirogyra(b) Mango, banyan, palm, chickpea(c) Grape, orange, lemon, hibiscus(d) Sunflower, banyan, jowar, bajra(e) Guava, radish, carrot, beetroot(f) Deer, fish, man, worms

Answer»

(a) Chrysanthemum (only flowering plants) 

or 

Spirogyra (only aquatic plant)

(b) Chickpea (shrub, others are not) 

or 

Palm (tall tree without any branches, others have branches)

(c) Grape (only creeper, others are not) 

or 

Hibiscus (flower, others are fruits)

(d) Banyan (perinnial, others are not)

(e) Gauva (fruit, others are roots)

(f) Worms (invertebrate, others are not) 

or 

Fish (aquatic animal, others are terristrial animals)

4.

What is the difference?Flowering plant and Non-flowering plant

Answer»
Flowering plantNon-flowering plant
1. Plants that bear flowers are called flowering plants.1. Plants that do not bear flowers are called non-flowering plants.
2. They have roots, stems and leaves.2. They may not have roots, stems or leaves.
e.g. Rose, sunflower, lotuse.g. Pine, fern, algae
5.

Write two names of each :(1) An invertebrate animal.(2) An oviparous animal.

Answer»

(1) Earthworm, cockroach

(2) Hen, sparrow

6.

What is the difference?A Tree and a Shrub

Answer»
TreeShrub
1. They have branches at some height above the ground.1. They give out branches close to the ground.
2. They grow very tall compared to shrubs.2. They grow upto 2 to 3 metres in height.
3. They have strong and hard stems.3. They have thick hard stems.
e.g. Mango tree, banyan treee.g. Hibiscus, oleander
7.

What is the difference?Vertebrates and Invertebrates.

Answer»
VertebratesInvertebrates
1. They have vertebral column.1. They do not have vertebral column.
2. The brain is well developed.2. The brain if present may not be developed.
e.g. Human, dog, fishes etc.e.g. earthworm, insects etc.
8.

Classify as directed into vertebrates and invertebrates :Fish, cat, earthworm, snail, hen, cockroach

Answer»
VertebratesInvertebrates
FishEarthworm
catsnail
hencockroach
9.

Earthworm is a / an ……………. animal.(a) vertebrate(b) invertebrate(c) unicellular

Answer»

Option : (b) invertebrate

10.

The …………….. is a unicellular animal.(a) cockroach(b) snail (c) paramoecium

Answer»

Option : (c) paramoecium

11.

Cactus is a ………….. plant.(a) land (b) water (c) desert

Answer»

Option : (c) desert

12.

The sunflower is a / an ………….. plant.(a) annual (b) biennial (c) perennial

Answer»

Option : (a) annual

13.

Give the functions of :(a) Stem(b) Leaves(c) Flowers(d) Fruits(e) Seeds

Answer»

(a) Stem :

1. The stem gives support to the other parts of the plant. 

2. The stem carries out the function of production, conduction and storage of the food. 

3. In some cases it stores food.

(b) Leaves :

They play an important role in the production of food.

(c) Flowers :

The flowers are reproductive organ of plant.

(d) Fruits :

Fruits have seeds which give rise to new plant.

(e) Seeds :

From the seeds arise new plants.

14.

Which spheres of the earth do living things exist?

Answer»

Living things exists in all three spheres of earth, 

i.e. Atmosphere, lithosphere and hydrosphere.

15.

Do ferns, algae and money plant bear flowers?

Answer»

Ferns, algae and money plants do not bear flowers. 

They are non-flowering plants.

16.

Are the plants and animals that you have seen all alike?

Answer»

No. 

They are all of different types.

17.

What type of plants are toolstools and mushrooms?

Answer»

Toolstools and mushrooms are heterotrophs.

18.

Fill in the blanks :(1) Plants that can prepare their own food are called ………….. plants.(2) Pitcher plants are ………….. .(3) The ………….. is an important means of reproduction.(4) Animals that lay eggs are ………….. animals.(5) Animals that can live on land as well as water are called ………….. .

Answer»

(1) autotrophic

(2) insectivorous

(3) flower

(4) oviparous

(5) amphibians

19.

For how many years do crops like bajra, wheat, corn, radish, marigold live?

Answer»

They live for about one year.

20.

Have you seen vines like the pumpkin, the railroad creeper, kavali, watermelon or the grapvine? How do they grow?

Answer»

They have very soft, green and flexible stem. 

They grow with the help of a support.

21.

What are the similarities between fenugreek and periwinkle plants?

Answer»

They are smaller and shorter than trees and shrubs.

22.

To which part of plants are butterflies and insects attracted?

Answer»

Butterflies and insects are attracted towards the flower of the plants.

23.

What are the similarities between the hibiscus, oleander and lantana plants?

Answer»

They are shorter and smaller than trees.

24.

What is the chain of bones in the centre of our back called?

Answer»

A vertibral column.