CBSE Class 10 Biology Our Environment MCQs
Question. Which of the following constitutes a food chain ? (a) Grass, Wheat and Mango (b) Grass, Goat and Human (c) Goat, Cow and Elephant (d) Grass, Fish and Goat Answer : B Question. In a food chain, the initial organism is usually : (a) photosynthetic (b) herbivore (…
CBSE Class 10 Biology Management of Natural Resources MCQs
Question. The Bishnoi community of Rajasthan is associated with the conservation of : (a) coal and petroleum (b) forests and wildlife (c) water resources (d) abiotic environment Answer : B Question. The Chipko Andolan is associated with : (a) Tigers (b) Turtles (c) Trees (…
CBSE Class 10 Biology How do Organisms Reproduce MCQs
Question : An animal which can reproduce by budding is (a) Bryophyllym (b) Yeast (c) Hydra (d) All of the above Answer : C Question : Male reproductive organ in flowering plant is (a) Carpel (b) Stamen (c) Corolla (d) Ovary Answer : B…
CBSE Class 10 Biology Control and Coordination MCQs
Question. A doctor advised a person to take injection of insulin because : (a) his blood pressure was high (b) his heart beat was high (c) his blood sugar was high (d) his thyroxine level in blood was high Answer : C Question. All the voluntary actions of our body are…
CBSE Class 10 Biology Life Processes MCQs
Question. During respiration exchange of O2 and CO2 takes place in (a) pharynx and larynx (b) trachea and lung (c) alveoli of lungs (d) larynx and throat Answer : C Question. Which of the following enzymes get mixed with food in our mouth? …
CBSE Class 11 Biology Digestion And Absorption Worksheet
Question. The initial step in the digestion of milk in humans is carried out by (a) lipase (b) trypsin (c) rennin (d) pepsin. Answer: C Question. A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm…
CBSE Class 10 Biology MCQs All Chapters Set B
1. To observe stomata in a dicot leaf,we must prepare the slide by taking (a) A crushed leaf (b) An upper epidermis of a leaf (c) A lower epidermis of a leaf (d) A central vein of a leaf. 2. Which of the following will not be…
CBSE Class 10 Science HOTs Question Our Environment
MCQ Questions for NCERT Class 10 Science Our Environment Question. The depletion of the ozone layer causes (a) global wanning (b) earthquakes (c) increased UV radiations (d) acid rain Answer : C Question. Which of the following is biodegradable? (a) Plastic mugs (…
CBSE Class 10 Science HOTs Question Human Eye and Colourful World
Question. Twinkling of stars is due to (a) reflection of light by clouds (b) scattering of light by dust particles (c) dispersion of light by water drops (d) atmospheric refraction of starlight Answer : D Question. The deflection of light by minute particles and…
CBSE Class 10 Science Biology Transportation Assignment
ONE MARK QUESTIONS 1 What do you mean by translocation with respect to transport in plants? 2 a. Name the blood vessel which brings oxygenated blood to the heart. b. Name the artery which carries deoxygenated blood. 3 Why does the left ventricle possess a…
CBSE Class 10 Science Biology Transport Enrichment Assignment
Question. In which of the following are the largest amounts of nitrogen excreted from a mammalian body ? (a) breath (b) sweat (c) urine (d) faeces Answer : C Question. Which one of the following has cytoplasm but no nucleus : (a) xylem vessel (b) sieve tube (c) tracheid (d)…
CBSE Class 10 Science Biology Respiration Assignment
Question. Which of the following is the correct sequence of air passage during inhalation ? (a) nostrils → larynx → pharynx → trachea → lungs (b) nasal passage → trachea → pharynx → larynx → alveoli (c) larynx → nostrils → pharynx → lungs (d) nostrils → pharynx → larynx →…
CBSE Class 10 Science Biology Nutrition Assignment
Notes on Class 10 Science Nutrition :- 1.1 Nutrition : “Nutrition” is a process of intake as well as utilization of nutrients by an organism. It is the process of breakdown of nutrients into smaller molecules and their absorption. Food provides us nutrition and…
CBSE Class 10 Science Biology Life Process Respiration Assignment
MULTIPLE CHOICE QUESTIONS Question. The breakdown of pyruvate to give carbon dioxide, water and energy takes place in (a) cytoplasm. (b) mitochondria. (c) chloroplast. (d) nucleus. Answer : B Question. During cellular respiration one molecule of glucose is first broken…
CBSE Class 10 Biology Transportation In Human Beings Worksheet
Question. Blood is a type of connective tissue, which has – (A) R.B.C. (B) W.B.C. (C) Platelets (D) All of the above Answer : D Question. In heart pacemaker is situated in (A) Right Ventricle (B) Left Ventricle (C) Right Auricle (D) Left Auricle…