Science Biology MCQ-251

Science-Zoology Online Exam NDA,CDS,UPPSC,RRB,SSC,DelhiPolice,MPPSC Exams



Which one of the following pairs is not correctly matched ?

 
 
 
 

Match list I with list II and select the correct answer using the codes given below the lists :
List I (Radioisotope)
(a) Arsenic-74
(b) Cobalt-60
(c) Iodine-131
(d) Sodium-24
List II (Diagnostic Use)

1 . Activity of thyroid gland
2 . Blood disorder
3 . Tumour
4 . Cancer

(a) (b) (c) (d)

 
 
 
 

The vitamin which contains cobalt is

 
 
 
 

The highest trophic level in an eco-system is obtained by

 
 
 
 

Which of the following statements are true for bionomics ?
Select the correct answer from the codes given below:
(a) It literally means ‘management of life’.
(b) It is a synonym for ecology.
(c) It stresses on the value of natural systems which influence human systems.

Which influence human systems ?

 
 
 
 

Assertion (A) : Increase in the diversity of food webs promotes ecosystem stability.

Reason (R) : It increases the resilience of the ecosystem.

 
 
 
 

Dialysis is used in the case of the patients suffering from

 
 
 
 

Which one of the following statements is wrong?

 
 
 
 

Consider the following drugs :
1 . Greseofulvin
2 . Streptomycin
3 . Quinine

Among these, antibiotics would include

 
 
 
 

Which one of the following enzymes hydro-lyses starch into reducing sugars?

 
 
 
 

Consider the following features of DNA

 
 
 
 

Acinar cells are associated with

 
 
 
 

Assertion (A) : At a workshop to educate mothers on the ”A to Z of bringing up a child”, the experts advised against inducing vomiting or aspirating out kerosine oil in the event of its accidental consumption by a child.

Reason (R) : Fumes of kerosine oil cause pneumonia of lungs.

 
 
 
 

Match list I with list II and select the correct answer using the codes given below the lists :

List I
(a) Syphilis
(b) Sore throat
(c) Cholera

(d) T . B . (Tuberculosis)

List II
1 . Virbrios
2 . Bacilli
3 . Spirilla
4 . Cocci

(A)(B)(C)(D)

 
 
 
 

Consider the following statements Keratin is :
1 . A protein
2 . A hormone
3 . Present in hair
4 . Present in nails

Which of these statements are correct ?

 
 
 
 

Sprain, a condition normally encountered is related to

 
 
 
 

Lac is a product of

 
 
 
 

Which one of the following enzymes can join broken ends of two DNA strands ?

 
 
 
 

Match list I with list II and select the correct answer using the codes given below the lists:
List I (Source) – — List II (Rich in)
(a) Fish liver oil 1 . Vitamin C
(b) Egg 2 . Vitamin B complex
(c) Lettuce 3 . Vitamin D
(d) Milk 4 . Vitamin A

(a) (b) (c) (d)

 
 
 
 

In the human body, urea is produced in the

 
 
 
 

The American multinational company Monsanto has produced an insect-resistant cotton variety that is undergoing field-trials in India. A toxin gene from which one of the following bacteria has been transferred to this transgenic cotton?

 
 
 
 

The cellular and molecular control of programmed cell death is known as

 
 
 
 

Match list I with list II and select the correct answer using the codes given below the lists :

List I (Institute)
(a) Central Institute of Medicinal and Aromatic Plants
(b) Centre for DNA Finger Printing and Diagnostics
(c) Institute of Microbial Technology
(d) National Institute of Immunology

List II (Location)

1 . Chandigarh
2 . Hyderabad
3 . New Delhi
4 . Lucknow

(a) (b) (c) (d)

 
 
 
 

Match list I with list II and select the correct answer using the codes given below the lists :
List I (Bone) —List II (Name)
(a) Breastbone 1 . Clavicle
(b) Collar-bone 2 . Patella
(c) Knee-cap 3 . Scapula
(d) Shoulder blade 4 . Sternum
(a) (b) (c) (d)

 
 
 
 

Consider the following statements :
1 . Tapeworm is a hermaphrodite
2 . Round-worm has separate sexes
3 . Filaria is caused by a nematode
4 . Guinea-worm is an annelid
Which of these are correct?