Biology Questions and Answers
Which of these joints is a hinge joint?
(A) Hip
(B) Elbow
(C) Shoulder
(D) Wriest
Correct Answer : B
Explanation :
The hinge joints of the body include the elbow, knee, interphalangeal (IP) joints of the hand and foot and the tibiotalar joint of the ankle.
A Taxon with a maximum number of homologous genes is found in?
(A) in order
(B) in species
(C) in descent
(D) in square
Correct Answer : B
Explanation :
Scientists have discovered that the animal with the most genes--about 31,000--is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about 23,000 genes.
Wisdom teeth is the –
(A) 1st molar teeth
(B) 2nd molar teeth
(C) 3rd molar teeth
(D) 4th molar teeth
Correct Answer : D
Explanation :
Wisdom teeth are the last adult teeth to come into the mouth (erupt). Most people have four wisdom teeth at the back of the mouth — two on the top, two on the bottom.
N.E. In which field did Borlaug get the Nobel Prize (1970)?
(A) Agriculture
(B) Economics
(C) Plant Pathology
(D) Peace
Correct Answer : D
Explanation :
Norman Ernest Borlaug (born March 25, 1914, near Saude, Iowa, U.S.—died September 12, 2009, Dallas, Texas) American agricultural scientist, plant pathologist, and winner of the Nobel Prize for Peace in 1970.
Operation Flood II is related to the?
(A) Flood control in India
(B) Food grain production
(C) Milk production
(D) Fish production
Correct Answer : C
Explanation :
Operation Flood is the program behind "the white revolution." It created a national milk grid linking producers throughout India with consumers in over 700 towns and cities, reducing seasonal and regional price variations while ensuring that the producer gets a major share of the price consumers pay, by cutting out ...
The number of chromosomes in the female egg cell is
(A) 23
(B) 46
(C) 48
(D) 24
Correct Answer : A
Explanation :
Each egg cell or sperm contains 23 chromosome whereas a normal cell has 46 chromosomes.
What is the different from the rest?
(A) Deforestation
(B) Desertification
(C) Erosion
(D) Conservation
Correct Answer : D
Explanation :
Except tomato, all others are grown under the ground. Potato, onion, carrot are root vegetable. Whereas, Tomato is grown above ground. Hence, Tomato is the correct answer.
How many layers does the wall of the eyeball have?
(A) 1
(B) 2
(C) 3
(D) 4
Correct Answer : C
Explanation :
The internal structures of the eye consist of three layers of tissue arranged concentrically: The sclera and cornea make up the exterior layers. The uvea is the vascular layer in the middle, subdivided into the iris, ciliary body, and choroid. The retina constitutes the innermost layer and is made up of nervous tissue.
Vocal chords in women are _________ than vocal chords in men.
(A) 5mm shorter
(B) 15mm shorter
(C) 5mm longer
(D) 15mm longer
Correct Answer : A
Explanation :
In general, the vocal cords for men are shorter as compared to that of women.
Which of the following tissues has the most regenerative power?
(A) Epithelial tissue
(B) Connective tissue
(C) Muscular tissue
(D) Neural tissue
Correct Answer : A
Explanation :
Epithelial tissue and connective tissues are tissues that have the greatest capacity to regenerate.
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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