Choose the correct alternative.
Xylem and phloem lie together on same radius in collateral/radical type of vascular tissue system.

Choose the correct alternative: Muscular tissue/Nervous tissue is a compound tissue.

Choose the correct alternative:- The energy required to launch an orbiting satellite out of earth’s gravitational influence is more//less than the energy required to project a stationary object at the same height (as the satellite) out of earth’s influence.

Choose the correct alternative. Restriction endonuclease/exonuclease attaches itself between the same two bases on the opposite strands and causes break in the two.

A stone of mass mtied to the end of a string revolves in a vertical circle of radius R. The net forces at the lowest and highest points of the circle directed vertically downwards are : [Choose the correct alternative] T_1 and v_1 denote the tension and speed at the lowest point. T_2 and v_2 denote corresponding values at the highest point.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: In collateral vascular bundles, phloem is situated towards inner side. Reason. In monocot stem, cambium is present.

These questions consist of two statement each, printed as Assertion and Reason. While answering these questions, you are required to choose any one of the following four responses. A. If both Assertion and Reason are true and Reason is a correct explanation of the Assertion. B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. C. If Assertion is true but Reason is false. D. If both Assertion and Reason are false. Assertion: collateral bundles are of open type. Reason. Dicot stem bears cambium in the vascular bundles.

How many types of elements together make xylem tissue? Name them.

Gulab Jamuns' (assumed to be spherical) are to be heated in an oven. They are available intwo sizes, one twice bigger (in radius) than the other. Pizzas (assumed to be discs) are also to be heated in oven. They are also in two sizes, one twice bgi (in radius ) than the other. All four are put together to be heated to oven temperature. Choose the correct option from the following