All Exam Important Question And Answer by Biology questions
1) – Accumulation of which acid in the muscles leads to fatigue?
Ans: Lactic acid
2) – Which acid is found in grapes?
Ans: – Tartaric acid
3) – What is called the study of cancer related diseases?
Ans: – Organology
4) – Which is the longest cell in human body?
Ans: – Nerve cells
5): – Teeth are mainly made of which material?
Ans: – Of dentine
6) – Which animal has the shape of foot slippers?
Ans: – Paramethium
7): – How many eyes does a worm have?
Ans: Not one
8) – Carrots are a rich source of which vitamin?
Ans: Vitamin A
9) – Which of the following substances is not found in protein?
Ans: – Rice
10) – How many grams is the human brain?
Answer: – 1350
11): – Is there any metal found in blood?
Ans: – Iron
12): – Example of yeast
Ans: – Sour of milk, composition of edible bread, sour of wet flour
13) – Which of the following diet provides nutrients for the development of new tissues in the human body?
Answer: – Cheese
14) – Which of the following is a flying lizard?
Ans: – Draco
15) – What is the only snake nest?
Ans: – King Cobra
16) – What is the largest fish in India?
Ans: – Whale shark
17) – Pulses are a good source? .
Ans: – Protein
18) – Why does the original ghee come from the fragrance?
Ans: – Due to diacetyl
19) – What color trend is more in the rainbow?
Ans: – Red color
20): Who invented television?
Answer: – J. L. Baird
21) – Why does a diamond look shiny?
Ans: – Due to mass internal reflection
22) – What is found mainly in ‘dung gas’?
Answer: – Methane
23) – Which machine is used to measure the purity of milk?
Answer: – Lactometer
24) – What is the highest metal content on earth?
Answer: – Aluminum
25): – Pearls are mainly made of which material?
Ans: – Calcium carbonate
26) – Which element is found in maximum amount in human body?
Ans: – Oxygen
27) – What types of tissues act as protective ield of the body?
Ans: – Epithelial tissue
28) – Which animal was first raised by man?
Ans: – Dog
29) – Which scientist first rubbed two pieces of ice and melted it?
Ans: Davy
30) .: – Who produces the loudest sound?
Answer: – Tiger
31): – When sound waves travel, do they take it with them?
Ans: – Energy
32) – Which part of the sun is visible at the time of solar eclipse?
Ans: – Crown
33) – How many colors are there in the rays of the sun?
Answer: – 7
34) – Who invented the ‘typewriter’ (typing machine)?
Ans: – Sholes
35) – What is called vinegar in Latin?
Ans: – Assetum
36) – Used to remove rust stains from clothes ?
Answer: – Oxalic acid
37): – Caused by ‘red rot disease’ in sugarcane ?
Ans: – By fungus
38) – What is the plant name of mango?
Ans: – Mangifera indica
39) – ‘Chicory powder’ mixed with coffee powder is obtained?
Ans: – Originally
40) – What is the best source of Vitamin-C?
Ans: – Amla