Which of the following represents the equation for position-time relation?
(A)
(B)
(C) v = u + at
(D) V = u + at
What is the scientific term for the speed of an object moving in a definite direction?
(A) Time
(B) Acceleration
(C) Velocity
(D) Motion
If the edge of a cube is halved, then its volume reduces to _____times the actual volume.
(A) 1/3
(B) 1/4
(C) 1/8
(D) 1/2
In an electric circuit, Rheostat is often used to change the _____ in the circuit.
(A) Temperature
(B) Resistance
(C) Electric current
(D) Potential difference
Plants receive their nutrients mainly from in the following ?
(A) atmosphere
(B) chlorophyll
(C) light
(D) soil
____________are known as the ‘suicide bags’ of the cell.
(A) Vacuoles
(B) Mitochondria
(C) Ribosomes
(D) Lysosomes
Which of the following plants is carnivorous?
(A) Cypress Vine
(B) Venus Flytrap
(C) Venus Flytrap
(D) Hyacinth
What is the normal resting heart rate range for adults (beats/min)?
(A) 60 to 100
(B) 50 to 80
(C) 120 to 180
(D) 75 to 120
Which of the following insecticides’ harmful effects came under media attention when health issues in Kerala were publicized?
(A) Endosulfan
(B) Lethal
(C) Thimet
(D) Monocil
Which of the following is a nitrogen-fixing bacteria?
(A) Salmonella
(B) Rhizobium
(C) E.coli
(D) Pseudomona
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