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NTSE
Ntse Assam Question Paper 2019
Sat
Quiz 4
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Q.1
Which of the following maintains the opening and closing of stomatal pore ?
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Guard cell
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Chlorophyll
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Oxygen
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Rate of photosynthesis
Q.2
Which of the following method is used for vegetative propagation of sugarcane ?
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Grafting
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Artificial reproduction
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Budding
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Tissue culture
Q.3
Example of unisexual flower is -
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Hibiscus
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Mustard
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Papaya
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Rose
Q.4
The process by which the plant embryo develops into seedling under appropriate condition is known as-
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Germination
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Reproduction
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Fertilization
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Plantation
Q.5
In energy pyramid of terrestrial ecosystem, which of the following is present at the bottom of the pyramid ?
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Primary consumer
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Producer
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Top carnivores
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Secondary consumer
Q.6
The technique that is used to grow ornamental plants from one parent is known as -
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Tissue culture
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Vegetative propagation
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Hybrid
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Budding
Q.7
In muscle cells the break down of pyruvate in absence of oxygen produces -
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Ethanol + \(CO_2\) + Energy
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Lactic acid + Energy
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\(CO_2\) + Water + Energy
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Water + Energy
Q.8
Pulmonary vein carries oxygen from -
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Left auricle to left ventricle
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Right ventricle to lung
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From lungs to left auricle
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Brain to left auricle
Q.9
The structure of kidney that collects the filtrate is known as -
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Bowman’s capsule
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Capillaries
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Nephron
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Urinary bladder
Q.10
All the involuntary actions of human body is controlled by -
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Fore brain
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Hind brain
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Heart
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Tissue
Q.11
The less secretion of growth hormone from pituitary gland results -
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Dwarfism
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Gigantism
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Acromegaly
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Anaemia
Q.12
The life span of human egg is -
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24 hours
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48 hours
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76 hours
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90 hours
Q.13
The genotypic ratio of Mendel’s monohybrid cross is -
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3:1
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1:2:1
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9:3:3:1
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2:1
Q.14
The study that deals with the relationship distance of organisms on the basis of their DNA structure is known as
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Molecular phylogeny
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Fossil study
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Embryology
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Histology
Q.15
If a plane mirror is rotated by an angle \(15^0\) then the reflected light will be rotated by
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\(15^0\)
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\(30^0\)
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\(45^0\)
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\(7.5^0\)
Q.16
If an object is placed away from the centre of curvature of a concave mirror, then the image would be -
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Magnified, real, inverted
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Diminished, real, erect
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Diminished, virtual, erect
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Diminished, real, inverted
Q.17
At total internal reflection the angle between the reflected ray and the incident ray is
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Two Times the angle of incidence
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Equal to the angle of incidence
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Zero (0°)
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90°
Q.18
If an object is placed at the focus of a biconvex lens then the image will be formed
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At focus on the other side of the lens
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At the centre of curvature
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At infinity
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In between focus and centre of curvature
Q.19
The correct sequence in the increasing order of frequency is
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Violet, yellow, orange
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Red, orange, violet
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Blue, yellow, violet
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Blue, red, orange
Q.20
A person can see distant object clearly but find it difficult to read a book. The person is suffering from -
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Astigmatism
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Myopia
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Hypermetropia
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Presbyopia
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