CBSE Urgent Update Today (Don't ignore)

Find the number of correct match in the following : I. Cancer : Don't die of ignorance disease II. Cocaine : called coke or crack is usually snorted III. Charas : Binds to cannabinoids receptors of CNS & GI tract IV. Smoking : cause cancer of urinary bladder V. Hepatitis B : sexually transmitted disease

In majority of sexually reproducing organisms , the gametes produced are of morphologically two distinct types. They don't differ generally on the basic of

A salad bar has 7 ingredients , excluding the dressing .How many different salads are possible where two salads are different if they don't include identical ingredients ?

A ball is thrown vertically upwards from the ground. If T_1 and T_2 are the respective time taken in going up and coming down, and the air resistance is not ignored, then

Which of the following properties don't help in differentitating, different hydrated isomers of CrCl_(3).6H_(2)O ?

Which of these is/are limitation/s of ecological pyramids? I. Decomposers are not given any place in ecological pyramids. II. Ecological pyramids do not accommodate a food web. III. Ecological pyramids may be upright or inverted. IV. They don't consider ominvores in two different trophic levels.

An open water tanker moving on a horizontal straight road has a cubical block of cork floating over its surface if the tanker has an acceleration of a as shown, the acceleration of the cork w.r.t container is ignore viscosity.

An open water tanker moving on a horizontal straight road has a cubical block of cork floating over its surface if the tanker has an acceleration of a as shown, the acceleration of the cork w.r.t container is ignore viscosity.

A slab of cunductivity k is in the shape of trapezoid as shown I figure. If the two end faces be maintained at temperature T_(1)=50^(@)C and T_(2)=25^(@)C , then determine the thermal current through the slab by ignoring any heat loss through the lateral surfaces. .