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This section includes 2103 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 2051. |
Ordinary table salt is sodium chloride. What is baking soda? |
| A. | Potassium chloride |
| B. | Potassium carbonate |
| C. | Potassium hydroxide |
| D. | Sodium bicarbonate |
| Answer» E. | |
| 2052. |
Pollination is best defined as |
| A. | transfer of pollen from anther to stigma |
| B. | germination of pollen grains |
| C. | growth of pollen tube in ovule |
| D. | visiting flowers by insects |
| Answer» B. germination of pollen grains | |
| 2053. |
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to |
| A. | angiosperms |
| B. | gymnosperms |
| C. | monocotyledons |
| D. | dicotyledons |
| Answer» C. monocotyledons | |
| 2054. |
If heat gain center of the hypothalamus is activated, the control mechanism includes all, but, |
| A. | vasoconstriction |
| B. | Less convection |
| C. | less radiation |
| D. | less metabolic activities |
| Answer» E. | |
| 2055. |
Excess water and wastes travel out along the nephron to the |
| A. | ureter |
| B. | connecting tubule |
| C. | collecting tubule |
| D. | renal pelvis |
| Answer» D. renal pelvis | |
| 2056. |
Very low concentration of substances can be measured through |
| A. | sphygmomanometer |
| B. | biosensors |
| C. | x-rays |
| D. | radioactive isotopes |
| Answer» C. x-rays | |
| 2057. |
Kidney tubules are also known as |
| A. | collecting tubules |
| B. | renal pelvis |
| C. | ureter |
| D. | nephrons |
| Answer» E. | |
| 2058. |
The term cell was introduced in |
| A. | 1628 |
| B. | 1667 |
| C. | 1768 |
| D. | 1776 |
| Answer» C. 1768 | |
| 2059. |
A darkly stained body with in a nucleus without any prominent membranous boundary is |
| A. | nucleolus |
| B. | vacuole |
| C. | ribosomes |
| D. | mitochondria |
| Answer» B. vacuole | |
| 2060. |
No one has been able to develop a mixture that can be called as |
| A. | Cytoplasm |
| B. | Protoplasm |
| C. | Plastoplasm |
| D. | Chloroplast |
| Answer» C. Plastoplasm | |
| 2061. |
Conversion of glucose to glycogen occurs in |
| A. | kidneys |
| B. | liver |
| C. | small intestine |
| D. | pancreas |
| Answer» C. small intestine | |
| 2062. |
An extreme case of muscle wasting is the damage to |
| A. | brain |
| B. | liver |
| C. | stomach |
| D. | heart |
| Answer» E. | |
| 2063. |
The purpose of cambium cells is to divide to form |
| A. | pith cells |
| B. | companion cells |
| C. | enhance stem thickness |
| D. | vessel if stem gets damaged |
| Answer» D. vessel if stem gets damaged | |
| 2064. |
Prokaryotic cells have a specialized material with them called as |
| A. | peptidoglycan/murein |
| B. | pectin |
| C. | peptidoglucose |
| D. | peptidoaminose |
| Answer» B. pectin | |
| 2065. |
A chromosome is composed of a DNA and |
| A. | lipids |
| B. | proteins |
| C. | gene |
| D. | sugars |
| Answer» C. gene | |
| 2066. |
Structural and functional unit of life is called |
| A. | cell |
| B. | tissues |
| C. | organelle |
| D. | DNA |
| Answer» B. tissues | |
| 2067. |
Storage of vital chemicals is |
| A. | cytoplasm |
| B. | mitochondria |
| C. | Golgi complex |
| D. | ribosome |
| Answer» B. mitochondria | |
| 2068. |
Mitochondria extracts energy from food and convert it into energy in form of |
| A. | ADP |
| B. | ATP |
| C. | AMP |
| D. | AND |
| Answer» C. AMP | |
| 2069. |
Death or mental retardation takes place if accumulation happens in |
| A. | somatic cells |
| B. | brain cells |
| C. | meristemetic cells |
| D. | sensory cells |
| Answer» C. meristemetic cells | |
| 2070. |
In a normal human being number of chromosomes is |
| A. | 23 |
| B. | 46 |
| C. | 53 |
| D. | 26 |
| Answer» C. 53 | |
| 2071. |
Pigments containing bodies which are bounded by membrane are called |
| A. | plastids |
| B. | chlorophyll |
| C. | chloroplast |
| D. | hemoglobin |
| Answer» B. chlorophyll | |
| 2072. |
In word Lysosoma, 'lyso' means splitting and 'soma' means |
| A. | cell |
| B. | body |
| C. | tissue |
| D. | organic |
| Answer» C. tissue | |
| 2073. |
Phagocytosed food is digested with help of enzymes which are present in |
| A. | ribosome |
| B. | lysosomes |
| C. | mitochondria |
| D. | Golgi complex |
| Answer» C. mitochondria | |
| 2074. |
Total salt content in blood is about |
| A. | 1.85 to 1.9% |
| B. | 11.85 to 11.9% |
| C. | 2.85 to 2.9% |
| D. | 0.85 to 0.9% |
| Answer» E. | |
| 2075. |
The total number of pairs of Peripheral nerves in man are |
| A. | 41 |
| B. | 42 |
| C. | 43 |
| D. | 44 |
| Answer» D. 44 | |
| 2076. |
The rate of heartbeat is accelerated by the hormone |
| A. | adrenaline |
| B. | acetylcholine |
| C. | thyroxine |
| D. | pituitrin |
| Answer» B. acetylcholine | |
| 2077. |
What do eukaryotic cells have that prokaryotic cells do not? |
| A. | Nucleus |
| B. | Cytoplasm |
| C. | Ribosomes |
| D. | DNA |
| Answer» B. Cytoplasm | |
| 2078. |
Agrostology is the study of |
| A. | Seed of oil |
| B. | Crop |
| C. | Crop |
| D. | Fruits |
| Answer» D. Fruits | |
| 2079. |
Which of the following is a mixed gland |
| A. | Pituitary |
| B. | Adrenal |
| C. | Pancreas |
| D. | Ovary |
| Answer» D. Ovary | |
| 2080. |
During rainy season wooden doors are difficult to open or closure because of ? |
| A. | Imbibition |
| B. | Plasmolysis |
| C. | Diffusion |
| D. | Osmosis |
| Answer» B. Plasmolysis | |
| 2081. |
Tissue in which cells have lost the capacity of cell division |
| A. | Mesristmatic tissue |
| B. | Permanent tissue |
| C. | Both a and b |
| D. | None of these |
| Answer» C. Both a and b | |
| 2082. |
The sex of a newborn baby is determined by the chromosome inherited from |
| A. | The Father |
| B. | The Mother |
| C. | The Father's Father |
| D. | Both A & B |
| Answer» B. The Mother | |
| 2083. |
The gland that is present close to Trachea |
| A. | Pancreas |
| B. | Liver |
| C. | Adrrenal |
| D. | Thyroid |
| Answer» E. | |
| 2084. |
Botany is also known as |
| A. | Phytology |
| B. | Phycology |
| C. | Pedology |
| D. | Plantophyta |
| Answer» B. Phycology | |
| 2085. |
From the following pairs, find the one which is correctly matched? |
| A. | Scurvy- Thiamine |
| B. | Tuberculosis- ATS |
| C. | Tetanus- BCG |
| D. | Malaria- Chloroquine |
| Answer» E. | |
| 2086. |
Which of the following is an Autotroph? |
| A. | Fish |
| B. | Algae |
| C. | Butterfly |
| D. | Mushroom |
| Answer» C. Butterfly | |
| 2087. |
Tikka disease is related with the crop: |
| A. | Musturd |
| B. | Paddy |
| C. | Ground nut |
| D. | All of these |
| Answer» D. All of these | |
| 2088. |
Vivipary is defined as germination |
| A. | during storage |
| B. | within the fruit |
| C. | with cotyledons coming out of soil |
| D. | with cotyledons remaining inside the soil |
| Answer» C. with cotyledons coming out of soil | |
| 2089. |
The hormone that helps in Parthenocarpy |
| A. | Abscisic acid |
| B. | Gibberellin |
| C. | Ethylene |
| D. | Cytokinin |
| Answer» C. Ethylene | |
| 2090. |
The outer membrane that covers the brain is |
| A. | Myelin sheath |
| B. | Dura mater |
| C. | Arachnoid membrane |
| D. | Pia mater |
| Answer» C. Arachnoid membrane | |
| 2091. |
Nuclear membrane is absent in |
| A. | Volvox |
| B. | Penicillium |
| C. | Agaricus |
| D. | Nostoc |
| Answer» E. | |
| 2092. |
Hardest Part of the Human Body? |
| A. | Tooth Enamel |
| B. | Femur |
| C. | Temporal bone of skull |
| D. | Knee bone |
| Answer» B. Femur | |
| 2093. |
Number of eyes found in Earthworm......... |
| A. | One |
| B. | Many |
| C. | No eye |
| D. | Two |
| Answer» D. Two | |
| 2094. |
Name the blood cells in which nucleus is absent |
| A. | Lymphocytes |
| B. | Blood Platelets |
| C. | Monocytes |
| D. | Eosinophils |
| Answer» C. Monocytes | |
| 2095. |
Bone deformities occur due to the excess intake of |
| A. | Phosphorus |
| B. | Potassium |
| C. | Fatty acid |
| D. | Fluorine |
| Answer» E. | |
| 2096. |
The phenomenon of summer sleep by animals is called |
| A. | hibernation |
| B. | aestivation |
| C. | laziness |
| D. | lethargy |
| Answer» C. laziness | |
| 2097. |
The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____ |
| A. | Lignin and suberin |
| B. | Suberin and cutin |
| C. | Cellulose and pectin |
| D. | Chitin and lignin |
| Answer» D. Chitin and lignin | |
| 2098. |
The energy released by 1 gram of glucose is |
| A. | 6 kcal |
| B. | 4 kcal |
| C. | 5 kcal |
| D. | 3kcal |
| Answer» C. 5 kcal | |
| 2099. |
13 - Chambered heart occurs in |
| A. | Leech |
| B. | Earthworm |
| C. | Snail |
| D. | Cockroach |
| Answer» E. | |
| 2100. |
Animal without red blood cells |
| A. | Frog |
| B. | Earthworm |
| C. | Snake |
| D. | Peacock |
| Answer» C. Snake | |