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TET Class 12 Science Solved Question Paper 2018

Multiple Choice Questions

21.

Which one of the following is not a natural fibre?

Silk
Acrylic
Cotton
Jute

22.

Ginger is the modification of

root
leaf
stem
fruit

23.

True fruits develop from

thalamus
petal
ovary
sepal

24.

Plant which reproduces by means of spores instead of seeds is

coriander
fern
mustard
petunia

25.

The element, essential for synthesis of protein in plants, is

copper
nitrogen
magnesium
iron

26.

Which one of the following is not a non-communicable disease?

Hypertension
Arthritis
Rickets
Cholera

27.

Penicillin antibiotic is obtained from

fungi
algae
bacteria
blue-green algae

28.

Which one of the following is not a source of energy?

Protein
Fat
Vitamin
Carbohydrate

29.

The coding segment of DNA is called

muton
intron
codon
exon

30.
Which of the following is not a micronutrient?

Sodium

Copper

Silicon

Calcium

Silicon

Silicon is not a micronutrient. Those elements, which are required by plants for their growth development and reproduction. The nutrients, which are required in larger amount are called macronutrients (N, P, K) and those in smaller amount are called micronutrients. (Mn, Mo, B).