महाराष्ट्र वन सेवा पूर्व परीक्षा २०१४

A. Water molecule is not linear

B. hybridisation is involved in the formation of water

C. Oxygen is the electropositive element

D. There is a hydrogen bonding and consequent association of water molecules.

A. (b) and (c)

B. (a) and (c)

C. (b) and (d)

D. (a) and (e)

A. Its atomic number increases by 2 and mass number decreases by 4.

B. Its atomic and mass numbers decrease by 2.

C. ts atomic number decreases by 2 and mass number decreases by 4.

D. Its atomic and mass numbers decrease by 4.

A. (a) only

B. (b) only

C. (a), (b) and (c)

D. (a), (b), (c) and (d)

A. Directly proportional to its focal length.

B. Inversely proportional to its focal length.

C. Equal to its focal length.

D. None of these.

A. (a) and (b)

B. (b) and (c)

C. (c) and (d)

D. (a) and (d)

A. When high frequency current flows through a conductor.

B. than that of the sound waves in a medium.

C. When system vibrates with a frequency more than 20 kHz.

D. Both (2) and (3) above.

A. Cartilage

B. Fibres

C. Tendon

D. Ligament

A. Retractive index of hot air is less than that of cool air.

B. Hot air is lighter than the cool air.

C. It is the effect of atmospheric refraction.

D. All of the above.

A. Mollusca

B. Annelida

C. Vertebrata

D. Arthropoda

A. 640

B. 460

C. 540

D. 400

A. Real moti

B. Sweta moti

C. Lingha moti

D. None of the above

A. Homo erectus

B. Homo neanderthalensis

C. Homo heidelbergensis

D. Homo habilis

A. Species Plantarum

B. Genera Plantarum

C. Historia Plantarum

D. Systema Naturae

A. Sulphur

B. Zinc

C. Copper

D. Boron

A. Phloem

B. Sclerenchyma

C. Xylem

D. Parenchyma

A. Pteris

B. Lycopodium

C. Azolla

D. Psilotum

A. Diplococcus

B. Azospirillum

C. Azotobacter

D. Rhizobium

A. Magnesium

B. Mandelevium

C. Manganese

D. Molybdenum

A. Phylogenetic

B. Natural

C. Artificial

D. Commercial