Q1. If the kinetic energy of a body increases by 0.1%, the percentage increase in its momentum will be (a) 0.05% (b) 0.1% (c) 1.0% (d) 10% Answer: (a) Q.2. Work done in raising a box depends on(a) How fast it is raised(b) The strength of the man(c) The height by which it is raised(d) … Read more
Q.1. The cell organelle involved in glycosylation of protein is(a) ribosome(b) peroxisome(c) endoplasmic reticulum(d) mitochondria Answer Answer: (c) Glycosylation is the process or result of addition of saccharides to proteins and lipids. The process is one of the four principal co-translational and post-translational modification steps in the synthesis of membrane and secreted proteins and the … Read more
Q.1. The kind of epithelium which forms the inner walls of blood vessels is(a) cuboidal epithelium(b) columnar epithelium(c) ciliated columnar epithelium(d) squamous epithelium Q.2. The cell junctions called tight, adhering and gap junctions are found in(a) connective tissue (b) epithelial tissue(c) neural tissue (d) muscular tissue Q.3. Housefly possesses(a) two pairs of wings (b) one … Read more
Q.1. During formation of leaves and elongation of stem, some cells ‘ left behind’ from the shoot apical meristem, constitute __(a) Lateral meristem (b) Axillary bud(c) Cork cambium (d) Fascicular cambium Q.2. Function of companion cells is(a) providing energy to sieve elements for active transport.(b) providing water to phloem.(c) loading of sucrose into sieve elements … Read more
Q.1. Which one of the following is a true fruit?(a) Apple (b) Pear(c) Cashew nut (d) Coconut Answer (d) The fruit is a mature or ripened ovary. When a fruit develops exclusively from the ovary, it is said to be true fruit. When in addition to the ovary, some other floral part also participates in … Read more
Q.1. Classification of Porifera is based on(a) branching (b) spicules(c) reproduction (d) symmetry Answer (b) The terms Porifera was given by Grant, the phylum includes animals with pores in their body. Its classification based on skeleton or spicules. Q.2. A chordate character is(a) gills (b) spiracles(c) postanal tail (d) chitinous exoskeleton Answer (c) Chordates are … Read more
Q.1. The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for(a) interaction with the environment and progressive evolution(b) reproduction(c) growth and movement(d) responsiveness to touch. Answer (b) There are several factors and processes which differentiate living beings with non-living beings like reproduction, respiration, growth, etc. But among … Read more
QUESTIONS If a particle is accelerating, it is either speeding up or speeding down. Do you agree with this statement? Two balls of different masses are thrown vertically upwards with the same speed. They pass through the point of projection in their downward motion with the same speed. Do you agree with this statement? Is … Read more
☞ Are you going to appear in the CBSE 12 Board Exams Next Year? ➽ There is a great role of making notes to secure good marks in 12 board examination. Do you know that how to prepare notes for class 12 board exams? If you answer is no, then read the complete article to … Read more
QUESTIONS A charged particle moving in a perpendicular uniform magnetic field penetrates a layer of lead and thereby loses half of its kinetic energy. How will the radius of curvature of its path changes. The energy of a charged particle moving in a uniform magnetic field does not change, why ? State property of material … Read more
You are walking along seashore and a mild wind is blowing. Is the motion of air a wave motion? Solution: No, in wave motion there is no actual transfer of matter but transfer of energy between the points where as when wind blows air particles moves with it. The radio and TV programmes, telecast at … Read more
1. Is it always true that the molecules of a dense liquid are heavier than the molecules of a lighter liquid ? Solution: Density is defined as mass per unit volume. It tells how closely packed are the molecules inside an object. When molecules are tightly packed, we say that the object is dense; when … Read more
Can two particles be in equilibrium under the action of their mutual gravitational force? Can three particles be? Can one of the three particles be? Solution: 1st Part: A particle will be in equilibrium when the net force acting on it is equal to zero. Two particles under the action of their mutual gravitational force … Read more
NCERT Solutions For Class 12 Physics Chapter 6 Electromagnetic Induction The students who are studying under CBSE board and in search for NCERT Solutions can refer to this article. Physics Gurukul has given detailed solutions to each question keeping in mind the marking scheme of board exams. These NCERT Solutions PDF will not only help students to … Read more
All the schools have NCERT books into their curriculum and no other book is recommended. The first preference for any exam is NCERT books be it your board exams, medical entrance exams or the most prestigious UPSC exams. We have tried to provide the most suitable and relevant solution to the students which are easy … Read more
Final Touch Revision Chemistry for JEE Main Topic: Periodic Table, S-Block
Final Touch Revision Chemistry for JEE Main Topic: Mock Test- 01
NEET CHEMISTRY Test Yourself Solid State Question 1: Question 2: Question 3: Question 4: Question 5: Question 6: Question 7: Question 8: Question 9: Question 10: Question 11: ANSWER KEY
1. The changes which take place in substances can be broadly classified as physical changes and chemical changes. 2. During a physical change, only the state of the substance changes, but not its chemical composition. Furthermore, a physical change is a temporary change, which can be reversed by changing the physical experimental conditions. At the … Read more
