Download PDF
Free download PDF of General knowledge(gk) multiple choice questions(mcqs) and answers on Biology. These general awareness quiz objective questions answers include mcqs on ecosystem, DDT etc.
(121)
Which one of the following organisms is likely to show the highest concentration of DDT, once it has been introduced into the ecosystem?
[A]
Cattle
[B]
Snake
[C]
Toad
[D]
Grasshopper
Comment
(122)
A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel
[A]
absorbs moisture
[B]
kills bacteria
[C]
kills germs and spores
[D]
absorbs all gases present inside the battle
Comment
(123)
Which one of the following statements is not correct?
[A]
All echinoderms are viviparous.
[B]
Round warm has no circulatory system.
[C]
In bony fishes, swim bladder is usually present.
[D]
In cartilaginous fishes, fertilization is internal.
Comment
(124)
Consider the following kinds of organisms:
I. Bat
II. Bee
III. Bird
Which of the above is/are pollinating agent/agents?
[A]
I and II only
[B]
II only
[C]
I and III only
[D]
I, II and III
Comment
(125)
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is?
[A]
A positive
[B]
B positive
[C]
O positive
[D]
Cannot be determine on the basis of the given data
Comment
(126)
Which of the following diseases can be transmitted from one person to another through tattooing?
I. Chikungunya
II. Hepatitis B
III. HIV/AIDS
Select the correct answer using the codes given below.
[A]
I only
[B]
II and III only
[C]
I and III only
[D]
I, II and III
Comment
(127)
In the context of Indian wild life, the flying fox is a
[A]
Bat
[B]
Kite
[C]
Stork
[D]
Vulture
Comment
(128)
Consider the following diseases:
I. Diphtheria
II. Chickenpox
III. Smallpox
Which of the above diseases has/have been eradicated in India?
[A]
I and II
[B]
III
[C]
I, II and III
[D]
None
Comment
(129)
Which of the following adds/add nitrogen to the soil?
I. Excretion of urea by animals
II. Burning of coal by man
III. Death of vegetarian
Select the correct answer using the codes given below.
[A]
I only
[B]
II and III only
[C]
I and III only
[D]
I, II and III
Comment
(130)
Other than resistance to pests, that are the prospects for which genetically engineered plants have been created?
I. To enable them to withstand drought
II. To increase the nutritive value of the produce
III. To enable them to grow and do photosynthesis in spaceships and space stations
IV. To increase their shelf life
Select the correct answer using the codes given below:
[A]
I and II only
[B]
III and IV only
[C]
I, II and IV only
[D]
I, II, III and IV
Comment
Take Mock Tests
Chapters