Railway/SSC JE 2019 Biology quiz for Phase I and other railways exams 15/02/2019

Railway/SSC JE 2019 Biology  quiz for Phase I

Railway/SSC JE Biology quiz for  (Phase I), RRB NTPC, SSC various exams and other competitive exams.

Q1. Pulses are a rich source of which of the following?

(a) Carbohydrates

(b) Proteins

(c) Minerals

(d) Vitamin A

Q2. Plant cell wall is made up of –

(a) Cellulose

(b) Glucose

(c) Sucrose

(d) Fructose

Q3. The study of Fungi is also known as –

(a) Cytology

(b) Myology 

(c) Mycology

(d) Neurology

Q4. The outermost layer of skin is –

(a) Epidermis                     

(b) Dermis

(c) Tissues                                          

(d) Hypodermis

Q5. _______________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration.

(a) Diffusion                      

(b) Osmosis

(c) Active Transport        

(d) Passive Transport

Q6. Study of classification of organisms is known as __________.

(a) Serpentology                             

(b) Virology

(c) Taxonomy

(d) Physiology

Q7. Which drug is used as an Antidiabetic drug?

(a) Metformin                  

(b) Zolpidem

(c) Promethazine                            

(d) Hydralazine

Q8.Which of the following is a viral disease?

(a) Polio                               

(b) Tetanus

(c) Leprosy         

(d) Plague

Q9.Contraction of heart is also known as –

(a) Systole                          

(b) Aristotle

(c) Diastole                         

(d) Lub

Q10.Azadirachta indica is the botanical name of which of the following?

(a) Rose plant                    

(b) Apple tree

(c) Neem                                            

(d) Mango

ANSWERS

Ans.1.(b)

Exp. Pulses are  rich sources of  proteins.

Ans.2.(a)

Exp. The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure.

Ans.3.(c)

Exp. Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans.

Ans.4.(a)

Exp. The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone.

Ans.5.(c)

Exp. Active transport is the movement of molecules across a membrane from a region of their lower concentration to a region of their higher concentration in the direction against the concentration gradient.

Ans.6.(c)

Exp. Study of classification of organisms is known Taxonomy.

Ans.7.(a)

Exp. Metformin is an oral antidiabetic drug for the treatment of diabetes.

Ans.8.(a)

Exp. Poliomyelitis is an acute communicable disease of humans caused by a human enterovirus of the Picornaviridae family.Tetanus is an infection caused by bacteria called Clostridium tetani. Leprosy is a disfiguring disease caused by the Mycobacterium leprae bacteria. Plague is caused by the bacteria Yersinia pestis.

Ans.9.(a)

Exp. Diastole is that part of the cardiac cycle during which the heart refills with blood after the emptying done during systole which is also known as contraction.

Ans.10.(c)

Exp. Azadirachta indica is botanical name of neem. It is a multipurpose tree that is highly popular in India, where it provides food and insecticide, and is used for its great number of ethnomedicinal properties.

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