1.
Mushrooms are actually
(a)
Algae
(b)
Fungi
(c)
Lichens
(d)
Parasitic moss plants
2.
The main thinking part of the brain is
(a)
Midbrain
(b)
Hypothalamus
(c)
Forebrain
(d)
Hindbrain
3.
The deficiency of which one of the following
leads to anaemia?
(a)
Ascorbic acid
(b)
Citric acid
(c)
Folic acid
(d)
Nicotinic acid
4.
The sex of a newborn baby is determined by the
chromosome inherited from
(a)
The mother
(b)
The father
(c)
Mother’s mother
(d)
Father’s father
5.
Which among the following statements about
biofertilisers are correct?
1.
Azotobactor is one of the nitrogen fixing
bacteria used as a biofectiliser
2.
They have to be applied to he leaves of the
plant only.
3.
They alter the chemical composition of the soil.
4.
They can be used along with organic fertilizers.
Select the correct answer using
the codes given below
(a)
1 and 4
(b)
1, 2 and 4
(c)
2 and 3
(d)
All of these
6.
Excess fluoride in drinking water can cause the
following, except
(a)
Deformity of teeth
(b)
Hardening of bones
(c)
Stiff and painful joints
(d)
Diarrhea
7.
Which of the following statements correctly
describe the properties of hormones?
1.
They are steroids, proteins, peptides or amino
acids derivatives
2.
They are not produced by body organs and are
mostly taken as supplements
3.
They do not influence the working of those
organs which have secreted them.
4.
They act as co-enzymes and help enzymes to
perform their functions,.
Select eh correct answer using the codes given below
(a)
1 and 4
(b)
2, 3 and 4
(c)
1 and 3
(d)
All of these
8.
Which part of brain controls five movement,
maintains balance and equilibrium of the body and muscle toe in a human being?
(a)
Cerebrum
(b)
Thalamus
(c)
Cerebellum
(d)
Hypothalamus
9.
Which of the following diseases can be
transmitted from one person to another through tattooing?
1.
Chikungunya
2.
Hepatitis –B
3.
HIV- AIDS
Select the correct answer using the codes given below.
(a)
1 and 2
(b)
Only 2
(c)
1 and 3
(d)
All of these
10.
Which of the following statements about sexual
reproduction in flowing plants are correct?
1.
Stamen is present in the center of a flower
2.
Stamen produces pollen grains in the ovary.
3.
The swollen bottom part of carpel is the ovary.
4.
The fusion of germ cells gives rise to zygote.
Answer:
1.
B
2.
C
3.
C
4.
C
5.
A
6.
D
7.
A
8.
C
9.
B
10.
D
No comments:
Post a Comment