41- Which of the following characteristics distinguish monkeys, apes and men from other mammals?
1. Hands eminently adapted for grasping 2. An excellent vision and keen sense of hearing
2. A poor sense of smell 4. Highly developed brain
A. 1 and 2
B. 1, 2 and 3
C. 1, 2 and 4
D. 1, 2, 3 and 4
View Answer
Answer : D. 1, 2, 3 and 4
Description
42- Hemoglobin is dissolved in the plasma of:
A. Man
B. Fish
C. Frog
D. Earthworm
View Answer
Answer : B. Fish
Description
43- Which among the following are known for cooperation and division of labour?
A. Fireflies
B. Cockroaches
C. Ants
D. Bed bug
View Answer
Answer : C. Ants
Description
44- Which of the following is a flightless bird?
A. Emu
B. Hen
C. Swan
D. None of these
View Answer
Answer : A. Emu
Description
45- An ant can see the objects all around due to the presence of:
A. Simple eyes
B. Eyes over the head
C. Well developed eyes
D. Compound eyes
View Answer
Answer : D. Compound eyes
Description
46- The fact which supports the idea that viruses are living is that they:
A. Can be crystallized
B. Are made up of common chemicals
C. Duplicate themselves
D. Penetrate cell membranes
View Answer
Answer : C. Duplicate themselves
Description
47- Which one of the following structures present in mammalian skin directly helps in keeping warm?
A. Pigmented cells
B. Sweat glands
C. Lymph vessels
D. Blood capillaries
View Answer
Answer : D. Blood capillaries
Description
48- The atomic number of Carbon is:
A. 4
B. 6
C. 8
D. 12
View Answer
Answer : B. 6
Description
49- Which of the following is a cold blooded animal?
A. Whale
B. Penguin
C. Otter
D. Tortoise
View Answer
Answer : D. Tortoise
Description
50- Which blood cells are responsible for fighting infections?
A. Plasma
B. White blood cells
C. Platelets
D. Red blood cells
View Answer
Answer : B. White blood cells
Description
51- The bats are able to fly in dark since they produce:
A. Ultraviolet rays
B. Infrared rays
C. Sound waves
D. Ultrasonic waves
View Answer
Answer : D. Ultrasonic waves
Description
52- The study of earthquakes is called:
A. Geology
B. Meteorology
C. Seismology
D. Volcanology
View Answer
Answer : C. Seismology
Description
53- Silk is produced by:
A. Insect itself
B. Egg of silkworm
C. Pupa of silkworm
D. Larva of silkworm
View Answer
Answer : D. Larva of silkworm
Description
54- About 80% of the body weight in most organisms is:
A. Water
B. Fat
C. Minerals
D. Protein
View Answer
Answer : A. Water
Description
55- In a bee-hive, there is a division of labour. Workers which collect honey from flowers are:
A. Males
B. Sterile
C. Females
D. Intersexes
View Answer
Answer : C. Females
Description
56- The artificial rearing of honey bees is called:
A. Apiculture
B. Sericulture
C. Sylviculture
D. Loci culture
View Answer
Answer : A. Apiculture
Description
57- In crustaceans the metallic base of the respiratory pigment is made up of:
A. Iron
B. Copper
C. Magnesium
D. Potassium
View Answer
Answer : B. Copper
Description
58- Penicillin is produced from:
A. Yeast
B. Algae
C. Mould
D. Mushroom
View Answer
Answer : C. Mould
Description
59- Which of the following is the correct sequence in which the given animal groups appeared on the earth during the course of evolution?
A. Porifera-Annelida-Coelenterata-Protozoa
B. Protozoa-Coelenterata-Porifera-Annelida
C. Protozoa-Porifera-Protozoa-Coelenterata
D. Protozoa-Porifera-Coelenterata-Annelida
View Answer
Answer : D. Protozoa-Porifera-Coelenterata-Annelida
