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SCIENCE CH 12

Total questions: 15

Worksheet time: 3mins

Name
Class
Date
1.

THE PROCESS IN WHICH THE INDIVIDUAL PRODUCES YOUNG ONCE AT ITS OWN KIND CALLED

a)

PRODUCTION

b)

PRE-PRODUCTION

c)

REPRODUCTION

d)

NONE OF THESE

2.

THERE ARE ____ MODES OF REPRODUCTION

a)

2

b)

3

c)

4

d)

5

3.

THE REPRODUCTION WITHOUT INVOLVEMENT OF SEED CALLED

a)

ASEXUAL

b)

SEXUAL

c)

BOTH OF THESE

d)

NONE OF THESE

4.

THE FILM FORMED ON THE SURFACE OF POND CALLED

a)

POTATO TUBER

b)

RHIZOME

c)

POND SCUM

d)

POND BUDDING

5.

ASPARAGUS AND DAHILA ARE THE

a)

STEM PART OF TREE

b)

SHOOT PARTS OF TREE

c)

LEAVES PART OF TREE

d)

ROOT PART OF TREE

6.

ONION BULB IS THE MODIFICATION OF

a)

ROOT PART OF THE TREE

b)

SHOOT PART OF THE TREE

c)

ALL OF THE ABOVE

d)

NONE OF THESE

7.

CUTTING, LAYERING, GRAFTING ARE THE

a)

SPORE FORMATION

b)

FRAGMENTATION

c)

ARTIFICIAL METHOD OF PROPOGATION

d)

NONE OF THESE

8.

THE BRANCH OF THE PLANT IS BENT DOWN IN SOIL FOR REPRODUCTION CALLED

a)

CUTTING

b)

GRAFTING

c)

LAYERING

d)

ALL OF THE ABOVE

9.

GROWING NEW PLANT BY GERM FREE CONDITONS ARE CALLED

a)

CUTTING

b)

GRAFTING

c)

LAYERING

d)

TISSUE CULTURE

10.

THE COLOUR OF SEPAL IS

a)

BLUE

b)

GREEN

c)

YELLOW

d)

RED

11.

THE PROCESS OF DIFFUSION POLLEN GRAINS INTO OVARY IS CALLED

a)

UNISEXUAL

b)

BISEXUAL

c)

POLLINATION

d)

FERTILISATION

12.

WHEN THE POLLEN GRAIN FROM ANTHER IS TRANSFERRED IN STIGMA CALLED

a)

SELF POLLINATION

b)

CROSS POLLINATION

c)

ARTIFICIAL POLLINATION

d)

NONE OF THESE

13.

THE SEED CONTAINS THE HARD COATING CALLED

a)

RADICLE

b)

PLUMULE

c)

SEED COAT

d)

COTYLEDON

14.

Seeds which are very small and light are dispersed by -

a)

By Water

b)

By Explosion

c)

By Animals

d)

By Wind

15.

THE TWO OF EMBRYO ARE

a)

PLUMULE

b)

RADICLE

c)

BOTH OF THESE

d)

NONE OF THE ABOVE