RRB NTPC 2019 1st Stage CBT – Important Biology Questions

As the aspirants must have been preparing constantly for this year’s upcoming examinations including SSC CGL, SSC CHSL and RRB NTPC these important biology questions may help them in preparing particularly for this section better. Before, coming to the important questions, let’s first understand the RRB NTPC exam pattern well.

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RRB NTPC Exam Pattern

Sections	Nos. of Questions	Total Marks	Time Duration
Mathematics	30	30	90 minutes
General Intelligence & Reasoning	30	30
General Awareness	40	40
Total	100	100	90 mins

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RRB NTPC 2019 1^{^st} Stage CBT – Important Biology Questions

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	monosaccharide
24	Upper most layer of skin is called?	Epidermis
25	Number of bones a human skull has	22
26	Alcoholic drink contains	Ethyl Alcohol
27	Genes are made by	Polynucleotides
28	Leoprasy is also known as	Hansen’s disease
29	Endocrine glands are also known as	Ductless Glands
30	What are Bryophytes?	Amphibious Plants
31	What are Purkinje fibres associated with?	Heart
32	What will be the outcome when fructose is combined with glucose?	Sucrose
33	Deficiency of Vitamin C leads to	scurvy
34	Which is the strongest muscle of the human body?	masseter muscle
35	The study of the chemical reactions required for life to exist and function, usually a focus on the cellular level	Biochemistry
36	Transferrins are glycoproteins that control the level of what in biological fluids.?	Free Iron
37	Which blood group is the universal donor?	O-
38	Which disease is caused by the deficiency of Vitamin B1?	beriberi
39	Cancer affects which part of the Bone marrow?	multiple myeloma
40	Which is the smallest gland in the human body?	pineal gland
41	Who is the father of Genetics?	Gregor Mendel
42	What is the normal fetal heart rate?	110 to 160 bpm
43	What’s the study of fungi?	Mycology
44	Who gave the theory of ‘Survival of the Fittest’?	Herbert Spencer
45	Where is the Thyroid gland located in the Human body?	Neck
46	Which among the following organs contributes to maintaining the balance of body?	Ear
47	Which chromosome is responsible for a baby boy?	Y
48	What is known as ‘Suicidal bags of cell’?	Lysosome
49	What is the PH value of milk?	6.5
50	The study of Trees is called?	Dendrology
51	Which among the following lens is used to correct Presbyopia?	Bifocal lens
52	The oral polio vaccine was discovered by	Albert Sabin
53	Which creatures breathes through its skin?	amphibians
54	What are the products formed during photosynthesis?	Glucose and Oxygen
55	Food poisoning is caused by	Clostrideam boutulium
56	Which is the largest gland in the human body	Liver
57	What is the smallest functional unit of a kidney?	Nephron
58	Our bones and teeth are generally made of	Tricalcium phosphate
59	What is the normal BP of human body?	120/80
60	Which is a broad–spectrum antibiotic	ampicillin
61	Deficiency of Iodine leads to	Goitre
62	Antihistamines are used to treat?	Allergies
63	Which vitamin helps in clotting of blood	Vitamin K
64	In which form of blood cancer, white blood cells multiply abnormally and circulate through the blood	Leukemia
65	What connects muscles to bones?	Tendons
66	What kind of disease is ring worm?	Fungal infection
67	DNA is organized into dense protein-DNA complexes called	Chromosomes
68	A blood disorder in which the body makes an abnormal form or Inadequate amount of haemoglobin	Thalassemia
69	Vitamin A deficiency causes	Night Blindness
70	What is the master gland in the human body?	Pituitary gland
71	What is the main storage site of calcium in the body?	Bones
72	What substance are nails made of?	Keratin
73	What is the molecular shape of a DNA molecule?	Double helix
74	Brain contains microscopic cells called	Neurons
75	Most common blood disorder in humans	Anemia
76	White blood cells are also called as	Leukocytes
77	What kind of blood is carried through artery?	Oxygenated blood
78	Which hormone made by pancreas regulates the amount of glucose in the blood	Insulin
79	Which layer of the skin contain sweat glands	Dermis
80	Most complex organ in the human body is	Brain
81	Name the soft, spongy tissue found in the centre of bones	Bone Marrow
82	Deficiency of Vitamin D causes	Rickets
83	The branch of biology concerned with the study of the structure of organisms and their parts.	Anatomy
84	Dental cavities are caused because of the deficiency of?	Fluorine
85	The two holes in your nose are called?	Nostrils
86	The pollination by snails is called	Malacophily
87	How many vertebrae are there in the human body?	33
88	The word gene was firstly used by	Wilhelm Johannsen
89	The study of the geographical distribution of living things	Biogeography
90	Which metal is present in hemoglobin?	Iron
91	The study of fossils is called	Paleontology
92	System that Influences the function of the body using hormones	Endocrine system
93	The organ of the human body which stores the carbohydrates in the form of glycogen is	Liver
94	The PH value of human blood is?	7.40
95	Area of the brain which controls the movements of the muscles	Cerebral cortex
96	Which disease causes legs to swell?	Elephantiasis
97	Our skeletal system consists of how many bones?	206
98	The largest artery in the human body	Aorta
99	The study of cognition is called	Cognitive biology
100	Deficiency of iodine leads to	Enlargement of Thyroid Gland