Question

PERIODIC ASSESSMENT- II

ACADEMIC SESSION 2020 - 2021

NAME: _________________

GRADE: VII

DATE: 05/01/2021

SUB: SCIENCE

TOTAL: 40 MARKS

TIME: 90 Min

General Instructions:

1. All questions are compulsory.

2. The question paper consists of 20 questions divided into four sections A, B, C and D.

3. Section A contains 10 questions of 1 mark each. Section B contains 3 questions of 2 marks each.

Section C contains 4 questions of 3 marks each. Section D contains 3 questions of 4 marks each.

SECTION – A 10

1 What changes are observed in diaphragm during inhalation?

2 RBC contains a red colored pigment which carries oxygen with it. What is the pigment called?

3 Human blood group is divided into how many groups? Name them.

4 In plants, water is transported through

(a) Xylem (b) Phloem

(c) Stomata (d) Root hair

5 Circulatory system consists of _____ and _____.

6 Bryophyllum can reproduce by its

(a) stem (b) leaves

(c) roots (d) flower

7 Give the basic unit of speed.

8 Name the colors include in the composition of sunlight.

9 A virtual image larger than the object can be produced by a

(a) concave lens (b) concave mirror

(c) convex mirror (d) plane mirror

10 An electromagnet does not attract a piece of iron. (T/F)

SECTION – B 06

1 (a) Give one use each of a concave and a convex mirror.

(b) State two differences between a convex and a concave lens.

2 A spaceship travels 36000 km in one hour. Express its speed in km/s.

3 Arteries and veins carry blood to and from the heart. Which of these carry the blood?

(a) Back to the heart from all organs.

(b) Away from heart for distribution in all organs.

SECTION – C 12

1 A flower consists of different parts. Name these parts of a flower.

2 If the current flows through wire, does the wire behave like a magnet? Why?

3 The distance between two stations is 280 km. A train takes 4 hours to cover this distance.

Calculate the speed of the train.

4 Give the name of respiratory organs in following animals.

(a) Fish

(b) Human being​

Answer 1

Answer:

oh my God what a big question