RRB NTPC 100+ Important Biology Questions & Answers 2021

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RRB NTPC

RRB NTPC 2020 CBT 1 exam is starting from 28th December 2020 thus not leaving much time for the candidates to prepare well so we are giving RRB NTPC 100+ Important Biology Questions & Answers 2021 to boost the preparations. Since the exam is approaching soon, so we would advise the aspirants to start their revision for the exam. Also, if you haven’t taken RRB NTPC free mock test by now then attempt the test today so that you get to know your weak areas and where your preparation is lacking.

While revising for RRB NTPC CBT 1 exam make sure that no topic or concept is left un-revised and a proper revision plan should be drafted and a candidate should strictly follow that. As we all know that General Science is quite an important aspect of the RRB NTPC exam, thus we are here with a free Ebook to download comprising 300+ important general science questions for RRB NTPC. This PDF is completely free to download

This Free Ebook/PDF contains:

100+ Chemistry Questions & Answers
100+ Physics Questions & Answers
100+ Biology Questions & Answers

100+ Biology Questions & Answers

S.No.	Question	Answer
1	Use of disposable syringes is usually advised to prevent?	AIDS
2	DNA stands for	Deoxyribonucleic Acid
3	Blood groups was discovered by –	Karl Landsteiner
4	Dermatology is the study of?	Human Skin
5	An emergency hormone is known as	Adrenaline
6	The smallest bone in the human body	Stapes
7	Which hormone control glucose levels in the body?	Insulin
8	Which part of eye is responsible for its colour?	Iris
9	What’s the name of tuberculosis’ vaccination?	Bacille Calmette-Guérin (BCG)
10	Which is the strongest bone in the human body?	Femur
11	Who gave the theory of evolution?	Charles Darwin
12	Plants which don’t have a differentiated plant body belong to which group?	Thallophyta
13	What joins one bone to another bone	Ligaments
14	What’s the liquid part of blood known as?	Plasma
15	Which of the below has teeth?	Mosquito
16	Pupil is a part of which organ in the human body?	Eye
17	Which lens does Human eye have?	Convex lens
18	What is the primary sex hormone in men?	Testosterone
19	Jaundice disease affects which part of the human body?	Liver
20	What is the shape of Bacillus Bacteria?	Rod-shaped
21	The largest vein in the human body	Vena cava
22	Which of the following is not a sensory organ?	Brain
23	Glucose is a Upper most layer of skin is called?	Monosaccharide
24	Number of bones a human skull has	Epidermis
25	Alcoholic drink contains	22
26	Genes are made by	Ethyl Alcohol
27	Leoprasy is also known as	Polynucleotides
28	Endocrine glands are also known as	Hansen’s disease
29	What are Bryophytes?	Ductless Glands
30	What are Purkinje fibres associated with?	Amphibious Plants
31	What will be the outcome when fructose is combined with glucose?	Heart
32	Deficiency of Vitamin C leads to	Sucrose
33	Which is the strongest muscle of the human body?	Scurvy
34	The study of the chemical reactions required for life to exist and function, usually a focus on the cellular level	Masseter muscle
35	Transferrins are glycoproteins that control the level of what in biological fluids?	Biochemistry
36	Which blood group is the universal donor?	Free Iron
37	Which disease is caused by the deficiency of Vitamin B1?	O-
38	Cancer affects which part of the Bone marrow?	Beriberi
39	Which is the smallest gland in the human body?	Multiple myeloma
40	Who is the father of Genetics?	Pineal gland
41	What is the normal fetal heart rate?	Gregor Mendel
42	What’s the study of fungi?	110 to 160 bpm
43	Who gave the theory of ‘Survival of the Fittest’?	Mycology
44	Where is the Thyroid gland located in the Human body?	Herbert Spencer
45	Which among the following organs contributes to maintaining the balance of body?	Neck
46	Which chromosome is responsible for a baby boy?	Ear
47	What is known as ‘Suicidal bags of cell’?	Y
48	What is the PH value of milk?	Lysosome
49	The study of Trees is called?	6.5
50	Which among the following lens is used to correct Presbyopia?	Dendrology
51	The oral polio vaccine was discovered by	Bifocal lens
52	Which creatures breathes through its skin?	Albert Sabin
53	What are the products formed during photosynthesis?	amphibians
54	Food poisoning is caused by	Glucose and Oxygen
55	Which is the largest gland in the human body	Clostrideam boutulium
56	What is the smallest functional unit of a kidney?	Liver
57	Our bones and teeth are generally made of	Nephron
58	What is the normal BP of human body?	Tricalcium phosphate
59	Which is a broad-spectrum antibiotic	120/80
60	Deficiency of Iodine leads to	Ampicillin
61	Antihistamines are used to treat?	Goitre
62	Which vitamin helps in clotting of blood	Allergies
63	In which form of blood cancer, white blood cells multiply abnormally and circulate through the blood	Vitamin K
64	What connects muscles to bones?	Leukemia
65	What kind of disease is ring worm?	Tendons
66	DNA is organized into dense protein-DNA complexes called	Fungal infection
67	A blood disorder in which the body makes an abnormal form or Inadequate amount of haemoglobin	Chromosomes
68	Vitamin A deficiency causes	Thalassemia
69	What is the master gland in the human body?	Night Blindness
70	What is the main storage site of calcium in the body?	Pituitary gland
71	What substance are nails made of?	Bones
72	What is the molecular shape of a DNA molecule?	Keratin
73	Brain contains microscopic cells called	Double helix
74	Most common blood disorder in humans	Neurons
75	White blood cells are also called as	Anemia
76	What kind of blood is carried through artery?	Leukocytes
77	Which hormone made by pancreas regulates the amount of glucose in the blood	Oxygenated blood
78	Which layer of the skin contain sweat glands	Insulin
79	Most complex organ in the human body is	Dermis
80	Name the soft, spongy tissue found in the centre of bones	Brain
81	Deficiency of Vitamin D causes	Bone Marrow
82	The branch of biology concerned with the study of the structure of organisms and their parts	Rickets
83	Dental cavities are caused because of the deficiency of?	Anatomy
84	The two holes in your nose are called?	Fluorine
85	The pollination by snails is called	Nostrils
86	How many vertebrae are there in the human body?	Malacophily
87	The word gene was firstly used by	33
88	The study of the geographical distribution of living things	Wilhelm Johannsen
89	Which metal is present in hemoglobin?	Biogeography
90	The study of fossils is called	Iron
91	System that Influences the function of the body using hormones	Paleontology
92	The organ of the human body which stores the carbohydrates in the form of glycogen is	Endocrine system
93	The PH value of human blood is?	Liver
94	Area of the brain which controls the movements of the muscles	7.4
95	Which disease causes legs to swell?	Cerebral cortex
96	Our skeletal system consists of how many bones?	Elephantiasis
97	The largest artery in the human body	Aorta
98	The study of cognition is called	Cognitive biology
99	Deficiency of iodine leads to	Enlargement of Thyroid Gland
100	Glucose is stored in which form by Animals?	Glycogen
101	Who discovered Blood groups?	Karl Landsteiner
102	What causes Ascariasis?	Round Worm