1.The function of nucleolus is the synthesis of
a)DNA
b)m-RNA
c) r-RNA
d)t-RNA
2.Centrioles and centriosomes are present in the cells of
a)Bacteria
b) cyanobacteria
c)Green Plants
d) Animals
3.Which element is common in all living things?
a)Oxygen
b) Hydrogen
c)Carbon
d)Nickel
4.The smallest living cell is that of a
a)Bactreium
b)Mycoplasma
c)Virus
d)Yeast
5.Dr.Verghese kurian is associated with
a)Cloning
b) Blue Revolution
c) White Revolution
d)Green Revolution
6.The number of mitochondria increases in the cells of
a)Dormant seeds
b)Germinating seeds
c)Dry seeds
d)Dead seeds
7.Citrus Canker is caused by a
a)Fungus
b)Bacterium
c)Virus
d) Nematode
8.m-RNA is a polymer of
a)Deoxyribonucleosides
b) Ribonucleotides
c)Deoxyribonucleotides
9.Who postulated the chromosome theory of inheritance ?
a)de Vries
b)Sutton and Boveri
c)Mendel
d)Morgan
10.Flowers emitting nauseous odour get pollinated by
a)Flies
b)Bees
c)Moths
d)Wasps
11.The `lock and key’ theory of an enzyme structure and function was proposed by
a)Morgan
b)Brown
c)Robertson
d) Fischer
12.The egg laying mammal is
a)Scale ant eater
b)Spiny ant eater
c)Armadillo
d)Porcupine
13.The study of fossil animals is called
a)Cytology
b)Histology
c)Paleontology
d)Ecology
13.This blood group is universal donor
a)O
b)AB
c)A
d) B
14.The World Environment Day is on
a)5th June
b)6th June
c)8th June
d)9th June
15.The Barah Singha or Swamp Deer is found in only one Indian wildlife sanctuary
a)Kanha
b)Gir
c)Sundarbans
d)Nandankanan
16.The Scientific name of Musk Deer is
a)Moschus moschiferus
b)Hemitragus jemlahicus
c)Panthera tigris
d)Axs axis
17.WWF was established by IUCN in the year
a)1948
b)1956
c)1962
d)1972
18. The ozone layer is present in
a)Troposphere
b)Thermosphere
c) Mesosphere
d) Stratosphere
19.The Earth Day is on
a)22nd April
b)24th April
c)7th April
d)28th April
20.CDM means
a)Clean Development Mechanism
b)Centre Development Mechanism
c)Clear Development mechanism
d)Class Development mechanism
21.Cricket bats are normally made from wood of this tree
a)Oak
b)Willow
c)Teak wood
d)Rose wood
22. A chromosome having sub terminal centromere is called
a)Telocentric
b)Acrocentric
c)Metacentric
d)Sub-metacentric
23.Which of the following contains hydrolytic enzymes ?
a)Mitochondria
b)Lysosome
c)Ribosome
d) Peroxisome
24.Varanus and Cobra belong to
a)Rhyncocephalia
b)Squamata
c)Crocodilia
d)Chelonia
25. The essential fatty acids are
a)lysine
b )Alanine and guanine
c)Steanic acid and lysine
d)Linoleic acid and Archadonic acid