Subject Experts Solutions for Exercise 1: MODEL QUESTION PAPER

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Subject Experts Biology Solutions for Exercise - Subject Experts Solutions for Exercise 1: MODEL QUESTION PAPER

Attempt the free practice questions from Exercise 1: MODEL QUESTION PAPER with hints and solutions to strengthen your understanding. Xam Idea Biology solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Exercise 1: MODEL QUESTION PAPER with Hints & Solutions

MEDIUM
12th CBSE
IMPORTANT

In 1981, the 'r' value for the human population in India was 0.0205.
Why is 'r' an important parameter?

MEDIUM
12th CBSE
IMPORTANT

Why was an electric discharge created in a closed flask in Miller's experiment?

MEDIUM
12th CBSE
IMPORTANT

Write the conclusion drawn by Miller at the end of his experiment.

EASY
12th CBSE
IMPORTANT

How do the following act as biofertilizers:
Glomus in association with the roots of higher plants?

MEDIUM
12th CBSE
IMPORTANT

Which antibiotic resistant genes are used as selectable markers to facilitate cloning into a vector?

HARD
12th CBSE
IMPORTANT

Explain the different steps carried out in gel electrophoresis technique. 

MEDIUM
12th CBSE
IMPORTANT

Write the different steps that should be taken to control the greenhouse effect.

MEDIUM
12th CBSE
IMPORTANT

Mention why was the Montreal Protocol signed in 1987.