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Biology Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Biology. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Who among the following has invented the influenza (flu) vaccine?
Answer : A
Explanation
Jonas Salk and Thomas Francis have invented the first vaccine of flu viruses.
Q 2 - Which among the following correctly defines ALD Technique?
Answer : B
Explanation
N/A
Answer : A
Explanation
Asterias is actually a genus of the Asteridae family.
Answer : B
Explanation
The fern has normally 630 pairs of chromosomes per cell.
Q 5 - Which one of the following is incorrect about the Downs syndrome?
B - Effected individual has early ageing
Answer : D
Explanation
N/A
Q 6 - In reference to human intestine, which among the following is the correct sequence in decreasing order?
Answer : D
Explanation
N/A
Q 7 - Consider the following statements:
1. Evaporation of water from the stem and leaves is known as transpiration.
2. The crop which contains a gene or genes that have been artificially inserted is known as transgenic crop.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 8 - Which among the following is not a normal function of a human kidney?
A - Regulation of sugar level in the blood
Answer : C
Explanation
A human kidney does not secret hormones.
Q 9 - Which among the following diseases starts with a single cell, but over period of time, it has unprecedented growth and takes life as well?
Answer : B
Explanation
There is as such no permanent treatment of cancer.
Q 10 - Consider the following statements:
1. Carbohydrates are a common source of energy in living organisms.
2. No carbohydrate is an essential nutrient in humans.
Choose the correct answer from the given codes:
Answer : C
Explanation
N/A
Answer : B
Explanation
N/A
Q 12 - The overdose of causes liver diarrhea.
Answer : C
Explanation
The overdose of B5 also causes nausea and heartburn.
Q 13 - Which among the following is the cause of water movement in a plant stem against gravity?
Answer : B
Explanation
Transpiration is the main driver of water movement in the plant (through xylem).
Q 14 - Which among the following branches of botany studies evolution of plants and plant fossils?
Answer : B
Explanation
N/A
Q 15 - Which of the following crops helps in nitrogen fixation?
Answer : D
Explanation
N/A
Q 16 - Which among the following combinations transport urea?
Answer : C
Explanation
N/A
Q 17 - Which among the following correctly defines the sea horse?
Answer : A
Explanation
Sea horse typically belongs to fish.
Q 18 - Which among the following is the largest flightless bird?
Answer : D
Explanation
N/A
Q 19 - Consider the following statements:
1. The mitochondrial genome is a circular DNA molecule, which is distinct from the nuclear DNA.
2. Foreign genetic material (i. e. DNA) can also be artificially introduced into the cell by a process known as transfection.
Choose the correct answer from the given codes:
Answer : C
Explanation
N/A
Q 20 - Consider the following statements:
1. There are two types of nerve cells i.e. neurons and glial cells.
2. Neurons receive and/or transmit the electrical and chemical messages.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A