Archives

What is succus entericus?

Answer: Succus entericus also called intestinal juice is a fluid secreted in the small intestine in small quantities. Succus entericus is the... View Article

What is the structure of XeOF 4?

Answer: The xenon oxytetrafluoride would have a total of 42 valence electrons 8 valence electrons from the xenon atom 6 valence electrons from... View Article

How many structure isomers can you draw for pentane? (1) 2 (2) 4 (3) 3 (4) 6

Answer: (3) 3 Pentane (C5H12) is an organic compound with five carbon atoms. Pentane has three structural isomers that are n-pentane,... View Article

Find the number of ways in which 5 boys and 5 girls may be seated in a row so that no two girls and no two boys are together.

Answer: Number of boys = 5 Number of girls = 5 Number of boys can be seated in the row 5p5 = 5! Number of girls can be seated in the row 6p5... View Article

List the biodegradable and non-biodegradable waste products in your school. What are the best ways to get rid of this garbage?

Answer: The following are the list of biodegradable and non-biodegradable waste products found at a school: Biodegradable waste... View Article

What is the full form of chemical fertilizer N.P.K?

Answer: N.P.K stands for 'Nitrogen, phosphorus and potassium'. the three nutrients which make up all fertilizers. The fertilizer definition can... View Article

Which animal is called the ship of the desert(1) Yak(2) Horse(3) Deer(4) camel

Answer: (4) Camels are called a ship of the desert because of their ability to survive in the desert climate and also the speed they have when... View Article

Select the group of plants that possess stilt roots.(1) Pandanus odoratissimus, Ficus benghalensis(2) Rhizophora mangal, Hedera helix(3) Zea mays, Rhizophora mangal.(4) Ficus benghalensis, Pisum sativum

Answer: (3) Stilt roots are adventitious aerial roots that grow obliquely downward from the main stem's basal nodes and attach firmly to the... View Article

Fuse wire is made up of an alloy of

Answer: Tin and lead alloy An electrical fuse is a safety device in the circuit that protects electrical systems by breaking the connection when... View Article

What is back cross?

Answer: Backcrossing is a crossing of a hybrid with one of its parents, or an adult genetically identical to the parent, to achieve offspring... View Article

Which is the smallest whole number?

Answer: 0 A collection of numbers that includes all positive integers and 0 is known as a whole number. Whole numbers are fractions, decimals,... View Article

Detritus food chain begins with (1) Bacteria(2) Viruses(3) Algae(4) Protozoa

Answer: (1) Detritus food chain in the form of chain wherein the dead organic matter named detritus is used to a full extent, and organic... View Article

Why are bryophytes called amphibians of plant kingdom?

Answer: Bryophytes are non-vascular plants, without xylem and phloem. They reproduce by gamete formation. For eg., mosses, liverworts and... View Article

What is the focal length of a convex lens of focal length 30 cm in contact with a concave lens of focal length 20cm? Is the system a converging or a diverging lens? Ignore the thickness of the lenses.

Answer: Given Focal length of a convex lens f1 = 30cm Focal length of a concave lens f2 = -20cm Focal length formula is 1/f = 1/30 +... View Article

Tertiary butyl methyl ether on treatment with HI forms :(1) Isobutane and Methyl iodide.(2) Isobutanol and Methanol.(3) Tertiary butyl iodide and Methyl iodide.(4) Tertiary butyl iodide and Methanol.

Answer: (4) CH3 - O - C - (CH3)3 + HI → CH3 - OH + (CH3)3- C-I Tertiary butyl methyl ether + Hydrogen iodide → Methanol + Tertiary... View Article

M	T	W	T	F	S	S
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30