Q2.Which one is less general in characteristic as compared to genus
Answer : Option AExplaination / Solution:
Division is the highest category of hierarchy which contain organisms having only a few common characters. On the other hand, species belongs to lowest level so, the organisms have more common characters.
Q3.In angiosperms, main water and mineral transporting elements is
Answer : Option CExplaination / Solution:
In angiosperms, the main water and mineral transporting element is tracheids. Vessels also transport water and mineral in angiosperms.
Answer : Option CExplaination / Solution:
TIBA (2,3,5 Triidobenzoic acid) acts as antiauxin that inhibit root and shoot formation. TIBA is used as antiauxin in picking cotton bolls.
Q5.6.3 g oxalic acid is used to make 250 mL aqueous solution .The volume of 0.1N NaOH solution required to neutralize completely 10 mL of this solution is
Answer : Option AExplaination / Solution:
Due to economic reforms liberalisation in 1991 countries nowadsys imports huge amount of capital and petroleum goods.
Answer : Option BExplaination / Solution:
Plants and algae make their own food and are called primary producers. Herbivores eat plants and are called primary consumers.
Q9.A batsman scores the following number of runs in 6 innings: 36, 35, 50, 46, 60, and 55. Calculate the mean runs scored in an inning.
Answer : Option DExplaination / Solution: Mean is calculated as the sum of the values of all observations divided by the number of observations N= 6 Sum of the values of all observations = 36+35+50+46+60+55 = 282 Mean = 282/6 = 47
Answer : Option CExplaination / Solution:
Cyclical unemployment is a factor of overall unemployment that relates to the cyclical trends in growth and production that occur within the business cycle. When business cycles are at their peak,cyclical unemployment will be low because total economic output is being maximized.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0