Which of the following transports water from the roots of the plant to its leaves?
(A) Xylem
(B) Phloem
(C) Both xylem and phloem
(D) Cortex
Which of the following disease is caused by female Anopheles mosquito?
(A) Chicken Pox
(B) Malaria
(C) Black Fever
(D) Cholera
The cells which are responsible for the production of antibodies are
(A) Red blood cells
(B) Neutrophils
(C) Lymphocytes
(D) Platelets
Which one of the following is not correctly matched –
(A) Anemometer - wind speed
(B) Ammeter - Electric current
(C) Tacheometer - Pressure difference
(D) Pyrometer - High temperature
Who among the following discovered laws of planetary motion?
(A) J. Kepler
(B) Albert Einstein
(C) N. Copernicus
(D) Otto Blathy
Hygrometer is used to measure
(A) relative humidity
(B) Earthquake
(C) body temperature
(D) viscosity
The means of measuring the humidity of the atmosphere are called hygrometers.
Which of the following metals is used in Space Crafts to withstand high temperatures?
(A) Pb
(B) Ti
(C) Fe
(D) Ni
Hybridization is
(A) downward movement of water through soil
(B) a process of tilling the land
(C) decayed vegetable matter
(D) cross-fertilization between two varieties
Constituents of atomic nucleus are
(A) Electron and proton
(B) Electron and neutron
(C) Proton and neutron
(D) Proton, neutron and electron
Accumulation of which one of the following in the muscle leads to fatigue?
(A) Lactic acid
(B) Pyruvic acid
(C) Benzoic acid
(D) Uric acid
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