EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following minerals:
1. Calcium     

2. Iron

3. Sodium
Which of the minerals given above is/are required by the human body for the contraction of muscles?

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Important Questions on Biology

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 257
Match List I (Cell/Organ) with List II (Substance Secreted} and select the correct answer using the codes given below the lists.
     List I                               List II
A. Corpus luteum            1. Androgen
B. Leydig cells                 2. lnhibin
C. Sertoli cells                 3. Gonadotropin
D. Anterior pituitary         4. GnRH
                                        5. Progression
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 258
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 259
Match List I with List II and select the correct answer using the codes given below the lists.
     List I               List II
 (Species)         (Dental Formula)
A. Man            1. 21232123 X2= 32 
B. Dog            2. 31423143 X2= 42 
C. Rabbit        3. 10031003 x 2=16 
D. Rat             4.20331033 x 2= 28
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 260
Dental formula for milk teeth in humans is:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 5>Q 261
Consider the following statements.
1. Deficiency of magnesium causes chlorosis.
2. White bud in maize indicates an acute deficiency of zinc.
3. Plant is made disease resistant by cross-breeding with wild variety.
Which of the statement(s) given above is/are correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 6>Q 1
Sequence of taxonomic categories is
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 6>Q 2
Consider the following statements
1. Leaves tum light color.
2. Internodes are much elongated.
Which of the statement(s) given above is/are correct about the 'etiolation' phenomenon observed in plants when they are kept in a dark room?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 6>Q 3
Which one among the following has the specialized absorptive tissue in the root?