Class XI Physics: Motion in a Plane
Breaking the Line: The Physics of Motion in 2D If 1D kinematics is like walking on a tightrope, Motion in a Plane is like playing a game of soccer on a wide-open field. The moment you add a second dimension,…
Class XI Physics: Motion in a straight line
Beyond the Starting Line: Mastering 1D Kinematics Motion is the heartbeat of physics. But here’s the kicker: nothing in the universe is actually “at rest.” You’re currently sitting on a planet spinning at 1,600 km/h, orbiting a sun at 107,000…
Class XI Physics Units and Measurements
The Grammar of the Universe: Master Units & Measurements This isn’t just a chapter about rulers and stopwatches; it’s about the very “grammar” of the universe. If Physics is a story, Units and Measurements is the alphabet. Without it, the…
Low Precision Score in Gyankatta test is lethal
In a test with a negative marking system, a low precision score is lethal because it directly reduces your final score and rank. Precision is the ratio of correctly answered questions to the total number of questions you attempted. A…
Covid revaccination ?
(image copyrights unknown) Some Covid-19 variants are specific to regions of India: B.1.36 (Bengaluru)B.1.36 N440K (southern states)B.1.1.7 (Punjab)B.1.617 E484Q + L452R (Maharashtra). Many of these mutations are also capable of immune escape, and may not make vaccinations successful. Chinese vaccines…
NEET Selected Study Materials
NEET-UG 2017 Cut-Off (Expected) NEET All India Rank Cut-off 2017 Category Marks Range Qualifying Criteria General/Others 720-145 50th Percentile OBC 678-118 40th Percentile SC 595-118 40th Percentile ST 599-118 40th Percentile Others & PH 474-131 45th Percentile OBC & PH…
General Knowledge: Reproduction questions
1. Testosterone is produced by: (a) spermatozoa; (b) sustentacular cells; (c) Endocrinocytes; (d) the hypothalamus 2. The acrosome of a sperm cell contains: (a) chromosomes; (b) mitochondria; (c) testosterone; (d) digestive enzymes 3. During the menstrual cycle, LH is at…
General Knowledge: Circulation Questions
31. Blood flows from the pulmonary veins into the: (a) pulmonary arteries; (b) right atrium; (c) lungs; (d) left atrium; (e) left ventricle 32. Blood flows from the right atrium into the: (a) right ventricle; (b) superior vena cava; (c)…
Heat Transfer Questions and Answers
Heat Transfer Questions and Answers 1. Unit of thermal conductivity in M.K.S. units is (a) kcal/kg m2 °C (b) kcal-m/hr m2 °C (c) kcal/hr m2 °C (d) kcal-m/hr °C (e) kcal-m/m2 °C. Ans: b 2. Unit of thermal conductivity in…
Electromagnetic Induction Questions and Answers
1. The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as (a) self-inductance (b) mutual inductance (c) series aiding inductance (d) capacitance Ans: a 2. As per…
Sexual reproduction in Plants
1. A typical angiosperm anther contains :- (1) Three microsporangia (2) Four microsporangia (3) Two microsporangia (4) One microsporangia 2. The outer wall of pollen grain is formed of :- (1) Cellulose (2) Pectocellulose (3) Lignin (4) Sporopollenin 3….
DNA Fingerprinting MCQs
DNA finger printing was developed by a) Francis Crick b) Khorana c) Alec Jeffrey * d) James Watson The DNA fingerprint pattern of a child is a) Exactly similar to that of both of the parents…
Mixed MCQs
Which organ is the primary site of hematopoiesis in the fetus before midpregnancy ? A. Bone B . Liver * C. Spleen D. Lung Normal site of implantation is : A. Body of the uterus * B….
Preferred energy source for Brain
Brain uses glucose for acquiring energy / ATP. Is it that brain cannot use any other source- protein or lipid? Or is it that brain (neurons) ‘prefer’ glucose and use other sources as well but in relatively small proportion? Is…
objective type multiple choice assertion-reason type questions from Biology
(a) Both A and R are true and R is the correct explanation of A (b) Both A and R are true but l. is not a correct explanation of A (c) A is true but R is false (d)…
Zoology Assertion and Reason type objective questions
Directions The following questions consist of two statements, one labelled the Assertion (A) and the other labelled the Reason (R). You are to examine these two statement carefully and decide if the Assertion (A) and the Reason (R) are individually…
AIPMT, NEET, AIIMS, JIPMER – Respiration & Exchange of Gases
*Direction :* In the following questions a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice as : (a) If both assertion and reason are true and reason is the correct explanation of…
AIIMS – NEET Questions
1.Regarding methanol poisoning Assertion: administration of ethanol is one of the treatment modalities Reason: ethanol inhibits alcohol dehydrogenase A) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion B) Both Assertion and Reason are true,…