డిఎస్సి / టెట్ పరీక్షల శ్రేణి -8

Graph of a quadratic polynomial can meet ‘x-axis’ at __ point/s.
a. 1
b. 2
c. 3
d. 1 or 2

A polynomial of degree one is called ____ polynomial.
a. Constant
b. Linear
c. Quadratic
d. Cubical

Which of the following is true?
a. Divisor = (Dividend x Quotient) + Remainder
b. Dividend = (Divisor x Quotient ) + Remainder
c. Quotient = (Dividend x Divisor) + Remainder
d. None

The number of zeroes that a quadratic polynomial contain at most are
a. 1
b. 4
c. 3
d. 2

The graph of a linear polynomial is
a. Straight Line
b. Parabola
c. Ellipse
d. Square

The size of an object is perceived by an eye depends primarily on?
a. Actual size of object
b. Distance of the object from the eye
c. Aperture of pupil
d. Size of image formed on retina

During refraction ——- will not change
a. Wavelength
b. Frequency
c. Speed of light
d. All the above

When objects at different distances are seen by the eye which of the following remain constant?
a. Focal length of eye-lens
b. Object distance from eye-lens
c. The radii of curvature of eye-lens
d. image distance from eye-lens

Far point of a person is 5 m. in order that he has normal vision what kind of spectacles should he use
a. Concave lens with focal length 5 m
b. Concave lens with focal length 10 m
c. Convex lens with focal length 5 m
d. Convex lens with focal length 2.5 m

The process of re-emission of absorbed light in all directions with different intensities by the atom or molecule is called……….
a. Scattering of light
b. Dispersion of light
c. Reflection of light
d. Refraction of light

The human eye forms the image of an object
a. Cornea
b. Iris
c. Pupil
d. Retina

The least distance of distinct vision for a young adult with normal vision is about
a. 25 m
b. 2.5 cm
c. 25 cm
d. 3 m

The human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to
a. Accommodation
b. Presbyopia
c. Nearsightedness
d. Farsightedness

We can see the sun before the actual sunrise by about
a. 5 minutes
b. 2 minutes
c. 2 hours
d. 20 minutes

The light which bends most and least are
a. Red and Blue
b. Blue and Red
c. Violet and Red
d. Red and Violet

Which prevent the backward flow of blood into the ventricles?
a. Aorta
b. Vein
c. Valves
d. All

Large artery
a. Coronary artery
b. Pulmonary artery
c. Aorta
d. None of these

The normal reading for blood pressure in humans
a. 120/80 mm of Hg
b. 140/80 mm of Hg
c. 120/90 mm of Hg
d. 130/80 mm of Hg

Sieve tubes and companian cells can be seen in
a. Leaf
b. Bark
c. Xylem
d. Phloem

Transpiration in plants takes place through
a. Stem
b. Root
c. Stomata
d. All of these

Xylem and phloem are present in
a. Cambium
b. Pericycle
c. Endodermis
d. Vascular bundles

The whole process of cardiac cycle is approximately completed in
a. 0.8 sec
b. 0.9 sec
c. 0.10 sec
d. 0.11 sec

Where did an aphid pierces its proboscis to get plant juice?
a. Xyem
b. Phloem
c. Cambium
d. Vascular bundle

Heart attacks means
a. Coronary artery gets blocked
b. Pulmonary vein gets blocked
c. Coronary vein gets blocked
d. Pulmonary artery gets blocked

The blood pressure during walking and running is
a. Normal
b. Less than normal
c. More than normal
d. None