Living Organisms and Their Surroundings Worksheet-1

Living Organisms and Their Surroundings Worksheet-1

1. Why do you think seeds and fruits needs be dispersed away from the mother plant?

(a) They may fall within the shade of the mother plant and not get enough sunlight

(b) They may not get enough food and moisture from the soil near the mother plant

(c) There may be too many seeds in a small area near the mother plant

(d) Any of these things may happen and prevent the growth of new healthy plant

2. Which of the following is/are involuntary movements?

(a) Muscular movements in the food pipe

(b) Beating of the heart

(c) Movement of legs

(d) Both Muscular movements in the food pipe & Beating of the heart

3. Which of the following is not true for cartilage?

(a) It is a part of skeleton

(b) It can be bent

(c) The lowest part of the lobe is made up of cartilage

(d) It is found in the joints of the body.

4. Animals which live on land as well as in water but lay their eggs in water only, fall into which of the following class?

(a) Fishes

(b) Mammals

(c) Reptiles

(d) Amphibians

5. Find the odd one out on the basis of different types of joints.

(a) Finger

(b) Elbow

(c) Knee

(d) Shoulder

6. Which of the following functions does our skeletal system performs?

(a) It gives shape and form to the body

(b) It allows body parts to perform various types of movements

(c) It protects our delicate internal organs

(d) All of these

7. Animal show locomotion but plants do not. What is the reason for this?

(a) Plants are autotrophs

(b) Plants are heterotrophs

(c) Plants have organs of defence

(d) None of these

8. Match the column and select the correct option from the codes given below:

Answer Key:

(1)–D; (2)–D; (3)–C; (4)–D; (5)–D; (6)–D; (7)–A; (8)–A–S, B–Q, C–T, D–R, E–P