EASY
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An isolated metabolic reaction(s) outside the body of an organism, performed in a test tube is neither living nor non-living.If the above reaction occurs in vitro that is in test tube, then the true statement regarding the above reaction is
(a)Living reaction
(b)Non-living reaction
(c)Occurs very slowly
(d)Both (a) and (b)

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Important Questions on The Living World
HARD
Name different types of neurons and give one function of each.

EASY

HARD
Draw well-labelled diagram of the human excretory system. Write the functions of:
Kidney
Ureter
Urinary bladder

MEDIUM

MEDIUM
Study the following statements of plant growth. Choose the correct option ?
(i) One single maize root apical meristem can give rise to mor than nerr cells per hour
(ii) A cell in watermelon can increase in its size up to times
(iii) Growth of pollen tube is measured in the terms of its length
(iv) Grorth in dorsiventral leaf is measured in terms of an increase in its suface area

EASY

EASY
Name any four life processes in living things.

MEDIUM

EASY

EASY

EASY

EASY
A) There are few uncatalyzed metabolic conversions in living system like protein degradation.
B) Study of energy conversion in the living cells is called Bioenergetics.
C) In DNA, each step of nucleotide pair will turn .
D) The first amino acid in a protein chain is called terminal amino acid.

MEDIUM

EASY
Name four plant hormones.

MEDIUM

EASY
Which of the following is not a defining feature of all living organisms?

EASY

MEDIUM

MEDIUM
The most important of all living systems is to

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