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SSC CGL Exam General Awareness Study Material

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Human Anatomy

Beak is formed by

a) Cheeks
b) Jaws
c) Teeth
d) None

✔Answer

✔Solution

Correct Answer Is : Jaws

Solution Is : Although beaks vary significantly in size and shape from species to species, their underlying structures have a similar pattern. All beaks are composed of two jaws, generally known as the upper mandible and lower mandible.

Pinna ( external ear ) is present in

a) Amphibian
b) Fish
c) Mammal
d) Reptile

✔Answer

✔Solution

Correct Answer Is : Mammal

Solution Is : Outer Ear or Pinna is founded only in terrestrial mammals. It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surroundings parts by ligaments and muscles.

Genes are not found in pairs

a) In body cells
b) In ovary after fertilization
c) In gametes
d) In Zygotes

✔Answer

✔Solution

Correct Answer Is : In gametes

Solution Is : Genes are not found in pairs in gametes.

The kidney shaped guard cells are present in

a) Dicot plants
b) Monocot Plants
c) Both the above
d) Algae

✔Answer

✔Solution

Correct Answer Is : Dicot plants

Solution Is : The kidney shaped guard cells are present in Dicot plants.

Dumb-cell shaped guard cells are present in

a) Groundnut
b) Gram
c) Wheat
d) Mango

✔Answer

✔Solution

Correct Answer Is : Wheat

Solution Is : Dumb-cell shaped guard cells are present in wheat

The donor of AB blood group can donate to recipient of blood group

a) A
b) B
c) AB
d) O

✔Answer

✔Solution

Correct Answer Is : AB

Solution Is : The blood group AB is called Universal acceptor. The donor of AB blood group can donate blood to the person having AB blood group. AB blood group carries both A and B antigens but no antibody.

A virus inside a human organ can triple itself at every second. Then the ratio of the number of viruses at 28 seconds and 30 second is

a) 9:1
b) 1:3
c) 1:9
d) 14:15

✔Answer

✔Solution

Correct Answer Is : 1:9

Solution Is : Suppose at 28 seconds there is one virus, then at 29 seconds there would be three viruses and at 30 seconds nine viruses. So, the ratio would be 1:9.

Which of the following criteria is not used for the lassification of human races ?

a) Nose
b) Hair
c) Eyes
d) Ear

✔Answer

✔Solution

Correct Answer Is : Ear

Solution Is : Ear is not used for the classification of human races .

The sex of a child is determined

a) Six to seven weeks after conception
b) in the third month of pregnancy
c) At the time of sperm`s entry
d) at the time of fertilisation of ovum

✔Answer

✔Solution

Correct Answer Is : at the time of fertilisation of ovum

Solution Is : At the time of fertilisation of ovum, the sex determination happens

Sex hormones are

a) Vitamins
b) Alkanes
c) Carbohydrates
d) Steroids

✔Answer

✔Solution

SSC CGL Exam General Awareness Study Material

Human Anatomy

Beak is formed by

Correct Answer Is : Jaws

Solution Is : Although beaks vary significantly in size and shape from species to species, their underlying structures have a similar pattern. All beaks are composed of two jaws, generally known as the upper mandible and lower mandible.

Pinna ( external ear ) is present in

Correct Answer Is : Mammal

Solution Is : Outer Ear or Pinna is founded only in terrestrial mammals. It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surroundings parts by ligaments and muscles.

Genes are not found in pairs

Correct Answer Is : In gametes

Solution Is : Genes are not found in pairs in gametes.

The kidney shaped guard cells are present in

Correct Answer Is : Dicot plants

Solution Is : The kidney shaped guard cells are present in Dicot plants.

Dumb-cell shaped guard cells are present in

Correct Answer Is : Wheat

Solution Is : Dumb-cell shaped guard cells are present in wheat

The donor of AB blood group can donate to recipient of blood group

Correct Answer Is : AB

Solution Is : The blood group AB is called Universal acceptor. The donor of AB blood group can donate blood to the person having AB blood group. AB blood group carries both A and B antigens but no antibody.

A virus inside a human organ can triple itself at every second. Then the ratio of the number of viruses at 28 seconds and 30 second is

Correct Answer Is : 1:9

Solution Is : Suppose at 28 seconds there is one virus, then at 29 seconds there would be three viruses and at 30 seconds nine viruses. So, the ratio would be 1:9.

Which of the following criteria is not used for the lassification of human races ?

Correct Answer Is : Ear

Solution Is : Ear is not used for the classification of human races .

The sex of a child is determined

Correct Answer Is : at the time of fertilisation of ovum

Solution Is : At the time of fertilisation of ovum, the sex determination happens

Sex hormones are

Correct Answer Is : Steroids

Solution Is : Sex hormones are steroids

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