NTSE SAT Biology Papers 11

This is NTSE SAT Biology Papers 11 .. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

Which of the following is a micronutrient element-

A
Ca
B
Zn
Correct
C
K
D
Mg

Penciline obtained from-

A
Algae
B
Cycus
C
Fungi
Correct
D
Fern

Cotton fibre is obtained from-

A
Phloem
B
Leaves
C
Roots
D
Seeds
Correct

Vessels are absent in-

A
Pinus wood
Correct
B
Teak wood
C
Shishum wood
D
Sal wood

A substance produced in liver which prevents the freezing of blood is called-

A
Ptylin
B
Trypsin
C
Heparin
Correct
D
Insulin

Which of the following contains phytochrome-

A
Angiosperm
Correct
B
Fungi
C
Yeast
D
Algae

Auxin harmone was discovered by-

A
Moore
B
Mendal
C
Vent
Correct
D
Mehta

In simple organisms, exchange of gases and excretion occur through

A
Osmosis
B
All of the above
C
Diffusion
Correct
D
Imbibition

The site of photosynthesis in plant is

A
Mitochondria
B
Dictyosomes
C
Leucoplast
D
Chloroplast
Correct

Oxygen released during photosynthesis comes from

A
Water
Correct
B
Dictysomes
C
Glucose
D
Carbon dioxide

The important components of DNA molecule are A (Adenine), T (Thymine), G (Guanine) and C (Cytosine). According to Chargaff's rule, their amount in DNA molecule is

A
The amount of A & T is equal to that of C & G
B
None of these
C
A, T, C & G are all in equal amount
D
The amount of A & G is equal to that of T & C
Correct

Organic farming is the technique of raising crops through the use of

A
Biofertilizers
B
Manure
C
Resistant varieties
D
All of these
Correct

WBC and RBC are found in human blood in the ratio of

A
it is 1 : 60,000
B
it is 1 : 6000
C
it is 1 : 60
D
it is 1 : 600
Correct

Serum differs from plasma in the absence of

A
Fibrinogen
Correct
B
Waste products
C
Immunoglobin
D
Nutrients

Which of the following diseases is not caused by polluted water

A
Jaundice
B
Malaria
Correct
C
Typhoid
D
Dysentery