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Agamospermy includes (1) Adventive polyembryony (2) Recurrent apomixis (3) Nonrecurrent apomixis (4) All the above

Answer: (4) Agamospermy asexual reproductive process in the place of normal sexual processes involving reduction division and fertilization.... View Article

Which one is correct for fuse wire ? (1) Low resistance and low melting point (2) High resistance and high melting point (3) High resistance and low melting point (4) Low resistance and high melting point

Answer: (3) The fuse wire in an electrical fuse is selected in such a way that it does not face any damage when the normally stipulated amount of... View Article

Write the chemical name for dry ice. Justify its name how its stored.

Answer: Dry ice is an example of sublimation which is a frozen form of carbon dioxide (CO2). Dry ice is a solid form of carbon dioxide. When... View Article

Pyramid of numbers is? (1) Always upright (2) Always inverted (3) Either upright or inverted (4) Neither upright nor inverted

Answer: (3) Pyramid of the number shows the number of species per trophic stage. The pyramid of numbers is usually upright except for some... View Article

Write the difference between Pectoral and Pelvic girdle.

Answer: The difference between the pectoral girdle and pelvic girdle are listed below. Pectoral girdle Pelvic girdle The shoulder... View Article

Ptyalin enzyme is secreted by (1) Salivary gland (2) Mouth (3) Oesophagus (4) Stomach

Answer: (1) Enzyme ptyalin is also known as salivary amylase which is present in the saliva of humans. Ptyalin gets activated by chloride ions... View Article

Find the smallest number which when increased by 17 is exactly divisible by both 520 and 468.

Answer: The given numbers are 520 and 468. Let us find the LCM of 520 and 468 The Least Common Multiple(LCM) is a method to find the... View Article

The working principle of spring balance is : (1) Newton’s law of motion (2) Hooke’s law (3) Ohm’s law (4) None of the above

Answer: (2) Spring balance is used to determine the force acting on the object (weight). Spring balance works on the principle of Hooke's law.... View Article

What is joint diastole?

Answer: When all the four chambers of the heart are in a relaxed state it is known as joint diastole. Hence, both ventricles and atria are... View Article

Which main product is obtained by microbial fermentation as ethanol?

Answer: A process of microbial fermentation in which sugar is converted to ethanol is known as ethanol fermentation or alcoholic fermentation. In... View Article

Difference between periodic and non-periodic motion

Answer: The motion is characterized as the change in position of an object with respect to its surroundings in a given time interval. The motion... View Article

What are phanerogams?

Answer: Phanerogams are plants that have special structures for reproduction and generate seeds. In these plants, after the process of... View Article

State two differences between Heat Capacity and Specific Heat Capacity.

Answer: The difference between the specif heat capacity and heat capacity is listed below. Specific heat capacity Heat capacity... View Article

Explain with suitable examples, the different types of phyllotaxy.

Answer: The patterns of arrangement of leaves on the stem are called Phyllotaxy. There are three types of Phyllotaxy, alternate, opposite and... View Article

Metals are good conductors of heat because: (1) They contain large number of free electrons (2) Their aloms are relatively apart (3) Their atoms collide frequently (4) They have reflecting surface

Answer: (1) Metals are an excellent electricity and heat conductor because the metal atoms form a matrix through which the outer electrons can... View Article

Identify the set of homeothermic animals. (1) Frog, lion and fish (2) Bat, pigeon and rabbit (3) Pigeon, lizard and Tortoise (4) Rat, snake and crocodile

Answer: (3) Homeotherms are organisms that can only survive when their internal body temperature is kept within a certain range. These animals... View Article

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