RRB Group-D Biology Questions PDF
Download Top 20 RRB Group-D Biology Questions and Answers PDF. RRB Group-D Science questions based on asked questions in previous exam papers very important for the Railway Group-D exam.
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Question 1: Flower is basically a modified _________
a) Stem
b) Shoot
c) Bulb
d) Fruit
Question 2: Which blood group is the universal recipient?
a) AB +ve
b) AB -ve
c) O +ve
d) O -ve
Question 3: Which type of fungi grow on animal dung?
a) Eomycota
b) Coprophilous
c) Microsporidia
d) Basidiomycetes
Question 4: In sickle cell anaemia patients, which substance is substituted by Valine in the Beta globin chain of the haemoglobin molecule ?
a) Aspartic Acid
b) Serine
c) Glutamic Acid
d) Sarcosine
Question 5: Islets of Langerhans is a part of?
a) Pancreas
b) Liver
c) Gall Bladder
d) Small Intestine
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Question 6: Which body part is mainly affected by the disease pneumonia?
a) Intestine
b) Liver
c) Lungs
d) Heart
Question 7: Which among the following phylum consists of non-motile animals?
a) Annelida
b) Platyhelmenthes
c) Porifera
d) Mollusca
Question 8: Which among the following carries the blood from lungs to left auricle?
a) Pulmonary vein
b) Arota
c) Pulmonary artery
d) Coronary artery
Question 9: “Athlete’s foot” disease is caused by which micro-organism ?
a) Protozoa
b) Fungi
c) Virus
d) Bacteria
Question 10: Thoracic cavity has ______ on its lower side.
a) Bronchus
b) Vertebral Column
c) Sternum
d) Diaphragm
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Question 11: Which among the following is a tranquiliser?
a) Valium
b) Nicotine
c) Caffeine
d) Cocaine
Question 12: Fish is a rich source of
a) Vitamin A
b) Vitamin D
c) Vitamin K
d) Vitamin C
Question 13: Amphibians and Reptiles have __________ chambered hearts?
a) Two
b) Four
c) Three
d) One
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Question 14: Which among the following is present in large amounts in a human body?
a) Hydrogen
b) Calcium
c) Oxygen
d) Carbon
Question 15: What happens if kidneys fail to function?
a) hands or feet may swell
b) the body is filled with extra water
c) results in Anemia
d) All of the above
Question 16: Which vitamin deficiency causes Xerophthalmia?
a) Vitamin B5
b) Vitamin B12
c) Vitamin A
d) Vitamin C
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Question 17: Which is the polymer of fructose?
a) Sucrose
b) Glucose
c) Inulin
d) Glycerol
Question 18: The Ovarian follicles convert into ____ after ovulation that secrete Progesterone.
a) Eggs
b) Mammary glands
c) Corpus Luteum
d) Follicle tubules
Question 19: Which fluid released by the liver plays the main role in the emulsification of fats?
a) Bile
b) Pepsin
c) Trypsin
d) Glucagen
Question 20: The hardest part of the teeth is?
a) Pulp
b) Dentin
c) Gum
d) Enamel
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Answers & Solutions:
1) Answer (B)
2) Answer (A)
3) Answer (B)
4) Answer (C)
5) Answer (A)
6) Answer (C)
7) Answer (B)
8) Answer (A)
9) Answer (B)
10) Answer (D)
11) Answer (A)
12) Answer (B)
13) Answer (C)
14) Answer (C)
15) Answer (D)
16) Answer (C)
17) Answer (C)
18) Answer (C)
19) Answer (A)
20) Answer (D)
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We hope this Biology Questions for RRB Group-D Exam will be highly useful for your preparation.
