EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Which among the following statements about biofertilizers are correct?
1. Azotobacter is one of the nitrogen fixing bacteria used as biofertilizers.
2. They have to be applied to the leaves of the plants only.
3. They alter the chemical composition of the soil.
4. They can be used along with organic fertilizers.

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Important Questions on Biology

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 41
Match List I (Sugar) with List II (Source) and select the correct answer using the codes given below the lists.
    List I               List II
A. Cellulose      1. Honey
B. Fructose      2. Sugarcane
C. Maltose       3. Cotton wool
D. Sucrose      4. Starch
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 42
During the year 2009-10, which of the following sectors experienced negative growth rate in India?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 43
There are two stages in the entire life cycle of the plant. One of such is a vegetative stage. In this stage, the flowering in case of foodgrain crops stops. This stage is known as
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 44
Which one of the following stage can be assessed by using a following said empirical equation?
A= Economic production Biomass production
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 45
Which of the following soils are reclaimed by using gypsm?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 46
The sorghum is taken as a multicut. Which of the following variety is not a multicut variety?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 47
Which one of the following variety of barley is huskless variety?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 11 - Biology>Exercise 7>Q 48
Match List I (Crops) with List II (Temperature Required) and select the correct answer using the codes given below the lists (Turning Sowing)
     List I                     List II
A. Paddy                1. 20°C
B. Wheat                2.22°C
C. Maize                3.25 °C
D. Groundnut         4.26°C