CBSE Class 11 Biology HOTs Plant Growth and Development
Plant Growth and Development MCQ Questions for NCERT Class 11 Biology Plant Growth and Development Question. Ethylene is not directly applied in the field as a gas due to its high diffusion rate. Which compound is used to overcome this limitation?(a) Ethephon (b) Agent orange(…
CBSE Class 11 Biology HOTs Respiration in Plants
MCQ Questions for NCERT Class 11 Biology Respiration in Plants Question. The adjoining diagram refers to mitochondrial electron transport chain. Identify P, Q, R, S, T. (a) P-Matrix, Q-Outer membrane, R-FADH2, S-NADH+H+, T-2H+(b) P-Inter membrane space, Q-Matrix, R-NADH + H…
CBSE Class 11 Biology HOTs Photosynthesis in Higher Plants
Photosynthesis in Higher Plants Important Questions for NCERT Class 11 Biology Photosynthesis in Higher Plants Ques. One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria…
CBSE Class 11 Biology HOTs Mineral Nutrition
Mineral Nutrition Questions: Q1. It is observed that deficiency of a particular element showed its symptoms initially in older leaves and than younger leaves. • Does it indicate that the element is actively mobilized or relatively immobile? • Name two elements which are highly…
CBSE Class 11 Biology HOTs Chemical Co-Ordination And Integration
Question. Moon face, buffalo hump, centripetal deposition of fat in belly occurs due to the abnormal functioning of(a) adrenal medulla(b) adrenal cortex(c) anterior pituitary(d) thyroid gland. Answer. B Question. Study the following flow chart that shows calcium regulation by…
CBSE Class 11 Biology HOTs Locomotion And Movement
Locomotion And Movement MCQ Questions for NCERT Class 11 Biology Locomotion and Movement Ques. Calcium is important in skeletal muscle contraction because it(a) binds to troponin to remove the masking of active sites on actin for myosin(b) activates the myosin ATPase by…
CBSE Class 11 Biology HOTs Excretory Products And Their Elimination
MCQ Questions for NCERT Class 11 Biology Excretory Products and Their Elimination Ques. Select the option which shows correct matching of animal with its excretory organ and excretory product.Animal Excretory organ Excretory product(a) Labeo (Rohu…
CBSE Class 11 Biology HOTs Body Fluids And Circulation
Body Fluids And Circulation MCQ Questions for NCERT Class 11 Biology Body Fluids and Circulation Ques. Match the following columns and select the correct option. Column-I Column - II(A) Eosinophils (i) Immune response(B) Basophils (ii) Phagocytosis(C…
CBSE Class 11 Biology HOTs Breathing and Exchanger of gases
MCQ Questions for NCERT Class 11 Biology Breathing and Exchange of Gases Question. For the occurrence of expiration,intrapulmonary pressure should be(a) equal to atmospheric pressure(b) more than atmospheric pressure(c) less than atmospheric pressure(d) either (a) or (c).…
CBSE Class 11 Biology HOTs Digestion And Absorption
Digestion And Absorption Questions: 1. Certain drugs are absorbed through layer of buccal cavity from the floor. What is the terminology for this kind of absorption? Ans1. Sublingual. 2. In case of dysentery people feel a sense of weakness. What may be reason for this? Ans2.…
CBSE Class 11 Biology HOTs Transport In Plants
Transport In Plants Questions: Q1.What is meant by Apoplast pathway? Why does it occur in cortex and not in endodermis? Ans 1. Passive absorption of water: A force develops during water absorption in the shoot system where transpiration is occurring. The transpiration than…
CBSE Class 11 Biology HOTs Cell Cycle And Cell Division
Cell Cycle And Cell Division Important Questions for NCERT Class 11 Biology Cell Cycle and Cell Division Question. In which of the following stages terminalisation occurs?(a) Zygotene (b) Pachytene(c) Diakinesis (d) Diplotene Answer : C Question. Lampbrush chromosomes are…
CBSE Class 11 Biology HOTs Biomolecule
MULTIPLE CHOICE QUESTIONS Question. Who coined the term zymase? (a) Pasteur (b) Buchner (c) Kuhne (d) Sumner Answer. B Question. Which is the derivative of amino acid ? (a) Epinephrine (b) Estrogen (c) Progesterone (d) All of these Answer. A Question. …
CBSE Class 11 Biology HOTs Cell And Its Structure
MULTIPLE CHOICE QUESTIONS Question. Which chromosome may lost during cell division? (a) Giant chromosome (b) Acentric chromosome (c) Polycentric chromosome (d) Telocentric chromosome Answer. B Question. Which of the following is responsible for …
CBSE Class 11 Biology HOTs Structural Organisation In Animals
Structural Organisation In Animals Questions: Q.1.Pawan bites by an ant on finger and after few minutes the finger swells up. How does it occur? Which cells are responsible for it? Ans.1. Mast cell release heparin which swells the fingers. Q.2. In stomach HCl is secreted by a…