NTSE SAT Biology Papers 14

This is NTSE SAT Biology Papers 14.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

Match the items given in column A and column B, and identify the correct alternative listed below. Column – A a) Flying fish b) Flying lizard c) Egg laying mammals d) Flightless bird Column – B (i) Draco (ii) Echidna (iii) Exocoetus (iv) Struthio

A
a – i, b – iii, c – ii, d – iv
B
a – iii, b – i, c – iv, d – ii
C
a – i, b – iii, c – iv, d – ii
D
a – iii, b – i, c – ii, d – iv
Correct

Which one of the following statements about cell organelles and their function is correct?

A
Smooth endoplasmic reticulum is involved in protein synthesis
B
Mitochondria are associated with anaerobic respiration
C
Lysosomes are important in membrane biogenesis
D
Golgi bodies are involved in packaging and dispatching of materials
Correct

A leguminous plant grown in an autoclaved, sterilized soil fails to produce root nodules because–

A
Autoclaved soil is devoid of bacteria
Correct
B
Plants cannot form root hairs in such a soil
C
Autoclaving reducing \({N_2}\) content of soil
D
Autoclaved soil is not good for root growth

The causative agent of the disease ‘sleeping sickness’ in human being is an

A
Intracellular parasite found in WBC
B
Extracellular parasite found on the surface of platelets
C
Intracellular parasite found in RBC
D
Extracellular parasite found in blood plasma
Correct

The gene of hemophilia is present on X chromosome. If a hemophilic male marries a normal female, the probability of their son being hemophilic is

A
Nil
Correct
B
25%
C
100%
D
50%

Abundance of coliform bacteria in a water body is indicative of pollution from

A
Metal smelter
B
Domestic sewage
Correct
C
Fertilizer factory
D
Petroleum refinery

Prolonged exposure to the fumes released by incomplete combustion of coal may cause death of a human because of –

A
Inhalation of unburnt carbon particles
B
Increased level of carbon monoxide
Correct
C
Continuous exposure to high temperature
D
Increased level of carbon dioxide

The phenomenon of normal breathing in a human being comprises

A
Both passive inspiratory and expiratory phases
B
An active inspiratory and a passive expiratory phase
Correct
C
A passive inspiratory and an active expiratory phase
D
Both active inspiratory and expiratory phases

Which one of the following statements is true with respect to the photosynthesis?

A
Photosynthesis occurs in stem of some plants
Correct
B
Chlorophyll a is the only photosynthesis pigment in plants
C
Oxygen evolved during photosynthesis comes from \(C{O_2}\)
D
Photosynthesis does not occur in red light

The girth of stem increases due to the activity of

A
Lateral meristem
Correct
B
Apical and intercalary meristem
C
Apical meristem
D
Intercalary meristem

Which one of the following represents the correct sequence of reflex action?

A
\({\text{Receptor}} \to {\text{motor nerve}} \to {\text{spinal cord}} \to {\text{sensory nerve}} \to {\text{muscle}}\)
B
\({\text{Receptor}} \to {\text{Sensory nerve}} \to {\text{spinal cord}} \to {\text{motor nervse}} \to {\text{muscle}}\)
Correct
C
\({\text{Receptor}} \to {\text{Sensory nerve}} \to {\text{motor nerve}} \to {\text{spinal cord}} \to {\text{muscle}}\)
D
\({\text{Receptor}} \to {\text{Sensory nerve}} \to {\text{spinal cord}} \to {\text{muscle}} \to {\text{motor nerve}}\)

In human female, immature eggs are for the first time seen in ovary

A
Before birth, at the fetus stage
Correct
B
During the first menstrual cycle
C
At puberty
D
After the first year of birth

When acidity in Stomach increases, the medicine generally used is-

A
Sodium Carbonate
B
Ammonium Carbonate
C
Ammonium bicarbonate
D
Sodium bicarbonate
Correct

Blood Pressure is measured with an instrument called-

A
Stethoscope
B
Sphygmo manometer
Correct
C
Clinical Thermometer
D
Thermometer

The example of an egg laying mammal is

A
Whale
B
Echidna
Correct
C
Bat
D
Kangaroo