Science Biology MCQ-163

General Science-Biology MCQ test for UPSC, CDS, JPSC, UPPSC, NDA, CivilsPrelims, SSC, RBI Exams



Which one of the following processes take place in lakes during eutrophication ?

 
 
 
 

Consider the following statements

 
 
 
 

Which one of the following is a fungus ?

 
 
 
 

Which one of the following plants yields bio diesel or bio fuel ?

 
 
 
 

Math List -I (modified stem) with List-II (example)and select the correct answer using the codes given below the lists ?

List-I (Modified stem)— List-II (Example)

A. Rhizome 1.Onion
B. Tuber 2.Ginger
C. Bulb 3.Potato

Codes:

A B C

 
 
 
 

Consider the following plant ?

(1) Guava
(2) Mint
(3) Sweet potato

The roots of which of these plants bear adventitious buds that developed into new individuals under favourable conditions.

 
 
 
 

Tissue which is responsible for the secondary growth

 
 
 
 

Cork is obtained from

 
 
 
 

Food prepared by plant is transported to different part of plant through

 
 
 
 

Water and mineral in plant is transported through

 
 
 
 

Age of tree is estimated by

 
 
 
 

Aerenchyma tissues are found in

 
 
 
 

Vellamen tissue in orchids are found in

 
 
 
 

Trunk of tree increases in girth due to cell division in

 
 
 
 

Transverse section of an old tree stem show fifty annual ring. The age of tree will be

 
 
 
 

Hydrophytes float on the water surface due to presence of

 
 
 
 

Apical Mesristmatic tissue is responsible for

 
 
 
 

Number of stomata is less and sunkin in

 
 
 
 

Function of vellomen is

 
 
 
 

Lateral meristem is responsible for

 
 
 
 

Living member of phloem tissue is

 
 
 
 

Bark includes

 
 
 
 

In tree, the growth ring represent

 
 
 
 

Procambium situated just behind the apical meristem, give rise to

 
 
 
 

The cell wall of xylem cells is rich in