1) 1) Which of the following is produced by pancreas?
Answer. Insulin
2) 2)Insulin is secreted by
Answer.
Pancreas
3) Mitochondria is also called
Answer. Power house of the cell
4) 4)There are more
anti-bacterial drugs than anti-viral drugs because
Answer. Drugs can penetrate bacteria
more effectively
5) 5)Fertility of soil can be
improved by
Answer. Adding living earthworms
6) 6)Which of the following is
true about the Bats?
Answer. Bats are mammals
7) If ozone layer gets removed
in a region of stratosphere, t will result in:
Answer. Skin Cancer in Humans
8)
Populaton of cell derived
from a single parent cell is called
Answer. Diploid
9)
Which of the following plants
is biennial?
Answer. Carrot
10)
Auxins are
Answer. Plant hormones
11)
The ultraviolet rays in the stratosphere are
absorbed by
Answer. Ozone
12)
The commonly parent
elements in the artificial fertilizer are
Answer. Potassium, Nitrogen and Phosphorus
13)
Ginger is a stem and not a
root because
Answer. It has nodes and
internodes
14)
The body cell of human
bengs have 46 chromosomes each . The Number of Chromosomes in
The sperm cells of mam is
Answer. 23
15)
Penicillin is produced from
Answer. Fungi
16)
The inherited traits of a
person can be investigated by the study of
Answer. Deoxyribonucleic Acid
17)
The main atmospheric gas
responsible for the Greenhouse Effect is
Answer. Carbon Dioxide
18)
The best source of Vitamin A is
Answer. Spleen
19)
The largest cell in human body is
Answer.
Nerve cell
20)
Which one of the following
is Ascorbic acid?
Answer. Prophase , Metaphase ,Anaphase ,Telophase
21)
Who among the following
scientists is responsible for binomial nomenclature?
Answer. Carl Von Linnaeus
22)
Which one the following is
associated with clotting of blood?
Answer. K
23 ) The enzyme amylase acts only
on
Answer. Carbohydrates
23)
Which one of the following
genus served as a source of blood for an exoandng world population
Answer. Maize
24)
Which of the following
environmental factors may be taen as biotic factor?
Answer. Protozoa
25)
The pulvinus in ‘’Touch
–me-not Plant plays an important role in
Answer. Leaf Movement
26)
The seed of wheat contains
Answer. One Cotyledon
27)
Deficiency of which of the
following vitamins causes “Night Blindness”?
Answer. A
28)
Which of the following
disease usually spreads through milk?
Answer. Typhoid
29)
Which of the following
disease is transmitted by mosquito?
Answer. Yellow Fever
30)
Number of chromosomes , per
cell , n human beings is
Answer. 46
31)
Which of the following is
the site of protein synthesis?
Answer. Ribosome
32)
Chlorosiss in plants is due
to
Answer. Pluses
33)
Perservative used for
strawberries and plum squeshes
Answer. Sodium Benzoate
34)
Silk is obtained from
Answer. Moth of Silkworm
35)
Dead red blood corpuscles
are stored in
Answer. Spleen
36)
DPT vaccine acts
against
Answer. Diphtheria , Whooping Cough , Tetanus
37)
Deficiency disease are
caused due th deficiency of
Answer. Vitamin
38)
Auxins are
Answer.Plants Hormones
39)
Which part of the tea plant
is used for making tea?
Answer. Leaves
40)
Crosses are performed to
get the new varieties by the prosess of
Answer. Hybridisation
41)
Biomagnification is
aprocess of.
Answer. Accumulation of harmful
chemicals into the bodies of organisms through food chain
42)
Which of the following is not a bio- degradable
pollutant?
Answer. Both of the above
43)
The Time interval between
two beats of a normal human heart is
Answer. 0.8 Second
44)
Leguminous plants are good
for increasing the fertility of the soil because they
Answer. Fix nitrogen in the soil
45)
Which of the following
vaccines was first discovered?
Answer.Small Pox
46)
Which one of the following
organisms is used in the producton of alcohol?
Answer. Yeast
47)
Brown air in traffic
congested cities is due to
Answer. NO2
48)
Which among the following
fruits is to berry?
Answer. Banana
49)
Which one of the following
is not a bone of human leg?
Answer. Humeru
50)
Organisms having a definite
nucleus in the cells are known as
Answer. Euaryotes
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