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B.S.T. Revision

Total questions: 40

Worksheet time: 29mins

Name
Class
Date
1.

_______ is the biological process through which new organism

called offspring are produced by a parent or parents.

a)

Photosynthesis

b)

Reproduction

c)

Pollination

2.

_________ is the washing away of top soil layer of the earth by wind, glacier, or water.

a)

Acid

b)

Base

c)

Erosion

3.

An ______ is the smallest particle matter can be divided.

a)

Acid

b)

Germination

c)

Atom

4.

__________ is the build designed for the protection of tender plants from too much rain or heat.

a)

Glasshouse

b)

Penthouse

c)

Farm house

5.

Acid is any liquid substance that has ________ taste.

a)

Acid

b)

Base

c)

Water

6.

(a)   is the series of events that happens in the life time of an organism.

7.

A substance that have a lot of hydrogen ion is called

a)

Base

b)

Acid

8.

When a substance has a lot of hydroxide ions, it is called

a)

Base

b)

Acid

c)

Neutral

9.

The reproductive organ of flowering plants is the

a)

Root

b)

Stem

c)

Leave

d)

Flower

10.

Tubers, runners are ways of __________ reproduction.

a)

Sexual

b)

Asexual

11.

Potash caustic soda are examples of ______ substance

a)

Basic

b)

Acidic

12.

One of these is an indicator for testing acid and base.

a)

Litmus paper

b)

Ginger

c)

Spirit

13.

State of matter is divided into ________, _________, and ________

(a)  

14.

Man-made cause of erosion could by

4 lines
15.

The pollen is produced by the (a)   of a flower

16.

The pollen goes to the (a)   of flower.

17.

The image show is a picture of_______ seed

a)

Monocot

b)

Dicot

18.

Choose the correct option for the label of the diagram

a)

1. Cotyledon 2. Plumule, 3. Radicule, 4. Embryo, 5. Seed coat

b)

1. Seed coat 2. Plumule, 3. Radicule, 4. Embryo, 5. Cotyledon

c)

1. Seed coat 2. Radicule, 3. Plumule 4. Embryo, 5. Cotyledon

19.

The (a)   protects the seed from injury

20.

The pH scale between 0-6 is (a)  

21.

pH stands for

(a)  

22.

The pH above 7 (8-14) is

(a)  

23.

The chemical composition of water is

(a)  

24.

How do we use acid in our daily life?

4 lines
25.

Base can be used to produce some of things found in our home. State one

4 lines
26.

Seeds can get around (disperse) by (a)  

27.

Erosion can cause loss of ________

4 lines
28.

Red litmus paper will turn blue when placed in a (a)   solution.

29.

All of these attract pollinators to flower except

a)

Petals

b)

Sepal

c)

Nectar

d)

Beautiful colour

30.

The male parts of the flower is called ______

a)

Sepal

b)

Pistil

c)

Stamen

d)

Capel

31.

The female parts of the flower is know as (a)  

32.

Plants reproduce _______________ and ______________

(a)  

33.

A monocot seed has (a)   seed leaf

34.

A dicot seed has (a)   seed leaves

35.

The seed is produced in the ______ of the flower

a)

Stamen

b)

Pistil

c)

Ovary

d)

Receptacle

36.

The _________ stores food for the seed

a)

Embryo

b)

Cotyledon

c)

Seed coat

37.

__________ is the development of plants from seed to sprout or spore

a)

Germination

b)

Fertilization

c)

Pollination

38.

_________ is the first step in germination when the seed absorb water from the soil.

a)

Reproduction

b)

Imbibition

c)

Transformation

39.

Erosion can be controlled by _____________________

4 lines
40.

A farmer want to protect them her tender plants from too much heat and cold, what would you advise him to do? (a)