MCQOPTIONS
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MCQOPTIONS
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.
| 551. |
Cattle quickly swallow grass and store it in their _________. |
| A. | Rumen |
| B. | Oesophagus |
| C. | Small intestine |
| D. | Salivary glands |
| Answer» B. Oesophagus | |
| 552. |
_______ forms a common passage for both urine and sperms in human males. |
| A. | Oviduct |
| B. | Ureter |
| C. | Urethra |
| D. | Vas deferens |
| Answer» D. Vas deferens | |
| 553. |
Mycobacterium bovis infection in cattle leads to which of the following diseases in humans? |
| A. | Anthrax |
| B. | Cow pox |
| C. | Tuberculosis |
| D. | Leprosy |
| Answer» D. Leprosy | |
| 554. |
In which of the following organs does the urea cycle take place in human beings? |
| A. | Colon |
| B. | Kidney |
| C. | Liver |
| D. | Spleen |
| Answer» D. Spleen | |
| 555. |
Name the long-haired mammal found throughout the Himalayan region. |
| A. | Heifer |
| B. | Bison |
| C. | Ox |
| D. | Yak |
| Answer» E. | |
| 556. |
For entry in gene Poole, a mutation must occur in |
| A. | Somatic cells |
| B. | Germ cells |
| C. | Plasma proteins |
| D. | Somatic DNA |
| Answer» C. Plasma proteins | |
| 557. |
Consider the following statements describing the functions of plants:1. Photosynthesis is a process to convert light energy from the Sun into chemical energy i.e., Carbohydrates are synthesized from carbon dioxide and water using sunlight2. Fermentation or Zymology is a metabolic process that converts carbohydrates to alcohols and carbon dioxideWhich of the statements given above is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 558. |
Deficiency of _____ Causes Rickets |
| A. | Vitamin A |
| B. | Protein |
| C. | Vitamin D |
| D. | Vitamin B |
| Answer» D. Vitamin B | |
| 559. |
Hepatitis is caused due to |
| A. | Infected blood transfusion |
| B. | Use of contaminated water |
| C. | Addiction of drug |
| D. | Dialysis |
| Answer» C. Addiction of drug | |
| 560. |
New blood cells are formed in________. |
| A. | Bone marrow |
| B. | Liver |
| C. | Heart |
| D. | Lungs |
| Answer» B. Liver | |
| 561. |
Ornithology is the study of |
| A. | Fish |
| B. | Coins |
| C. | Relics |
| D. | Birds |
| Answer» E. | |
| 562. |
A herbicide is a ______ used to kill unwanted plants. |
| A. | Fertiliser |
| B. | Machine |
| C. | Pesticide |
| D. | Biofuel |
| Answer» D. Biofuel | |
| 563. |
In Drosophila, sex determination depends on |
| A. | Y chromosome |
| B. | X chromosome |
| C. | Autosome |
| D. | X chromosome & autosome both |
| Answer» E. | |
| 564. |
Bone marrow is not composed of |
| A. | Adipose tissue |
| B. | Areolar tissue |
| C. | Blood cells |
| D. | Fibroblasts |
| Answer» E. | |
| 565. |
Diseases like dysentery and malaria are caused by _____. |
| A. | Viruses |
| B. | Bacteria |
| C. | Protozoa |
| D. | Fungi |
| Answer» D. Fungi | |
| 566. |
Asha happened to eat food that was contaminated by a housefly. To which of the following disease is she susceptible to? |
| A. | Malaria |
| B. | Tuberculosis |
| C. | Measles |
| D. | Cholera |
| Answer» E. | |
| 567. |
A design of toilet in which humans excreta is treated by earthworms is called ______. |
| A. | Composting toilet |
| B. | Vermi-processing toilet |
| C. | Eco-SAN toilet |
| D. | Vermi-composting toilet |
| Answer» C. Eco-SAN toilet | |
| 568. |
Blood of which invertebrate is red? |
| A. | Sponge |
| B. | Hydra |
| C. | Earthworm |
| D. | Snail |
| Answer» D. Snail | |
| 569. |
Elapidae Naja is the scientific name of ________. |
| A. | Cobra |
| B. | Elephant |
| C. | Eagle |
| D. | Owl |
| Answer» B. Elephant | |
| 570. |
A Chitinous exoskeleton occurs in |
| A. | Birds |
| B. | Fishes |
| C. | Insects |
| D. | Mammalia |
| Answer» D. Mammalia | |
| 571. |
Alveoli are an important part of the: |
| A. | Digestive system |
| B. | Respiratory system |
| C. | Circulatory system |
| D. | Nervous system |
| Answer» C. Circulatory system | |
| 572. |
Ephyra larva is found in the life cycle of |
| A. | Aurelia |
| B. | Obelia |
| C. | Physalia |
| D. | Adamsia |
| Answer» B. Obelia | |
| 573. |
During the 'Z' scheme of Photosynthesis electrons of which of these reduce NADP+ |
| A. | Photosystem-I |
| B. | Water |
| C. | CO2 |
| D. | Photosystem-II |
| Answer» C. CO2 | |
| 574. |
Perspiration is maximum when? |
| A. | Temperature is high and air is dry |
| B. | Temperature is high and air is humid |
| C. | Temperature is low and air is dry |
| D. | Temperature is low and air is humid |
| Answer» C. Temperature is low and air is dry | |
| 575. |
Girdling leaf traces are the characteristic feature of the stem of |
| A. | Cycas |
| B. | Pinus |
| C. | Ephedra |
| D. | Gnetum |
| Answer» B. Pinus | |
| 576. |
Iodine is used to test the presence of ___________ in food. |
| A. | Fat |
| B. | Vitamin |
| C. | Protein |
| D. | Starch |
| Answer» E. | |
| 577. |
Lysosomes are produced by |
| A. | Mitochondria |
| B. | Centriole |
| C. | Plasma membrane |
| D. | Golgi apparatus |
| Answer» E. | |
| 578. |
Leukaemia is a cancer of the: |
| A. | uterus |
| B. | blood |
| C. | lungs |
| D. | skin |
| Answer» C. lungs | |
| 579. |
In which of the following part of Neuron the information is transmitted in the chemical form? |
| A. | Dendrite |
| B. | Cell body |
| C. | Axon |
| D. | No option is correct. |
| Answer» E. | |
| 580. |
Golden rice is a genetically-modified crop plant where the incorporate gene is meant for biosynthesis of |
| A. | Omega-3 fatty acids |
| B. | Vitamin A |
| C. | Vitamin B |
| D. | Vitamin C |
| Answer» C. Vitamin B | |
| 581. |
Bloodless surgery is done with ________. |
| A. | Lasers |
| B. | Microneedles |
| C. | Scalpels |
| D. | Fine scissors |
| Answer» B. Microneedles | |
| 582. |
_____ is the smallest gland in human body. |
| A. | Parotid gland |
| B. | Apocrine sweat gland |
| C. | Pineal gland |
| D. | Ebner’s gland |
| Answer» D. Ebner’s gland | |
| 583. |
________ connects muscle to the bones. |
| A. | Cartilage |
| B. | Areolar |
| C. | Ligaments |
| D. | Tendons |
| Answer» E. | |
| 584. |
Mammals have ______. |
| A. | glandular skin with hairs |
| B. | dry and non-glandular skin with feathers |
| C. | dry and non-glandular skin with scales |
| D. | dry and glandular skin with feathers |
| Answer» B. dry and non-glandular skin with feathers | |
| 585. |
______ is not an endocrine gland in humans. |
| A. | The pineal gland |
| B. | The pituitary gland |
| C. | The liver |
| D. | The adrenal gland |
| Answer» D. The adrenal gland | |
| 586. |
Ginger is the modification of |
| A. | root |
| B. | leaf |
| C. | stem |
| D. | fruit |
| Answer» D. fruit | |
| 587. |
Herkogamy is found in |
| A. | Cotton |
| B. | Marigold |
| C. | Calotropis |
| D. | Bajra |
| Answer» D. Bajra | |
| 588. |
Pituitary gland, one of the most important glands of our body, is located ________. |
| A. | Inside the stomach |
| B. | Inside the skull |
| C. | Near the lower end of the backbone |
| D. | Inside the chest |
| Answer» C. Near the lower end of the backbone | |
| 589. |
Blue green algae contains- |
| A. | Lysosomes |
| B. | Mitochondria |
| C. | Thylakoid membranes |
| D. | Golgibodies |
| Answer» D. Golgibodies | |
| 590. |
Blue-baby syndrome is caused due to the excess of: |
| A. | Nitrate |
| B. | Carbon dioxide |
| C. | Iron |
| D. | Carbon monoxide |
| Answer» B. Carbon dioxide | |
| 591. |
A food chain always starts with - |
| A. | Excretion |
| B. | Digestion |
| C. | Photosynthesis |
| D. | Respiration |
| Answer» D. Respiration | |
| 592. |
Poor vision in human can be due to the deficiency of __________ |
| A. | Iron |
| B. | Vitamin A |
| C. | Iodine |
| D. | Vitamin D |
| Answer» C. Iodine | |
| 593. |
Prawns and butterflies belong to the same phylum because of the presence of _______. |
| A. | bilateral symmetry |
| B. | jointed legs |
| C. | antennae |
| D. | segmented body |
| Answer» C. antennae | |
| 594. |
Hormone helping insect metamorphosis is: |
| A. | Thyroxine |
| B. | Ecdysone |
| C. | Pheromone |
| D. | All of these |
| Answer» C. Pheromone | |
| 595. |
Phyllode occurs in which of the following plants? |
| A. | Opuntia |
| B. | Acacia |
| C. | Asparagus |
| D. | None of the above |
| Answer» C. Asparagus | |
| 596. |
In plants, which one of the following gases is released during Photosynthesis? |
| A. | Carbon dioxide |
| B. | Oxygen |
| C. | Hydrogen |
| D. | Methane |
| Answer» C. Hydrogen | |
| 597. |
Identify the leaf |
| A. | Banana leaf |
| B. | Banyan leaf |
| C. | Coconut leaf |
| D. | None of these |
| Answer» E. | |
| 598. |
Hypothalamus is part of which organ of the Human body? |
| A. | Brain |
| B. | Heart |
| C. | Spinal Cord |
| D. | Liver |
| Answer» B. Heart | |
| 599. |
Niacin is a form of- |
| A. | Vitamin B3 |
| B. | Vitamin B2 |
| C. | Vitamin B4 |
| D. | Vitamin B1 |
| Answer» B. Vitamin B2 | |
| 600. |
Growth hormone is secreted by: |
| A. | Liver gland |
| B. | Pituitary gland |
| C. | Thyroid gland |
| D. | Adrenal gland |
| Answer» C. Thyroid gland | |