Andhra Pradesh Board Solutions for Exercise 1: Questions

Author:Andhra Pradesh Board

Andhra Pradesh Board Botany Solutions for Exercise - Andhra Pradesh Board Solutions for Exercise 1: Questions

Attempt the free practice questions from Exercise 1: Questions with hints and solutions to strengthen your understanding. Intermediate Second Year Botany solutions are prepared by Experienced Embibe Experts.

Questions from Andhra Pradesh Board Solutions for Exercise 1: Questions with Hints & Solutions

HARD
12th Andhra Pradesh Board
IMPORTANT

Three water samples namely river water, untreated sewage water, and secondary effluent discharged from a sewage treatment plant when subjected to the BOD test. The samples were labelled A, B, and C. But the laboratory attendant did not note which was which. The BOD values of three samples were recorded as 20mg/L, 8mg/L and 400mg/L respectively. Which sample of the water is most polluted? Can you assign the correct label to each assuming the river water is relatively clean?

MEDIUM
12th Andhra Pradesh Board
IMPORTANT

Name the microbe from which Cyclosporin-A(an immunosuppressive drug) and Statins(Blood cholesterol-lowering agents) are obtained?

HARD
12th Andhra Pradesh Board
IMPORTANT

Find out the role of microbes in the following and discuss.

Single Cell Protein(SCP)

HARD
12th Andhra Pradesh Board
IMPORTANT

Find out the role of microbes in the following and discuss.

Soil.

HARD
12th Andhra Pradesh Board
IMPORTANT

Arrange the following in the decreasing order (most important first) of their importance. For the welfare of human society. Give reasons for your answer. 

Biogas, penicillin, Citric acid and curd.

MEDIUM
12th Andhra Pradesh Board
IMPORTANT

 What is sewage? 

HARD
12th Andhra Pradesh Board
IMPORTANT

 In which way can sewage be harmful to us?

HARD
12th Andhra Pradesh Board
IMPORTANT

 What is the key difference between primary and secondary sewage treatment?