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.
| 701. |
_____ promote(s) cell division. |
| A. | Abscisic acid |
| B. | Cytokinins |
| C. | Gibberellins |
| D. | Auxin |
| Answer» C. Gibberellins | |
| 702. |
Pepsin is an enzyme that digests ________. |
| A. | Proteins |
| B. | Starch |
| C. | Carbohydrate |
| D. | Fats |
| Answer» B. Starch | |
| 703. |
______ are details of appearance or behavior or in other words, a particular form or a particular function in the classification of organisms. |
| A. | Speciation |
| B. | Evolution |
| C. | Characteristics |
| D. | Illustration |
| Answer» D. Illustration | |
| 704. |
A diploid organism is heterologons for 4 loci. The types of gametes it will produce. |
| A. | 8 |
| B. | 4 |
| C. | 16 |
| D. | 32 |
| Answer» D. 32 | |
| 705. |
Human T - cell leukemia virus (HTLV - III) is known to cause ________. |
| A. | Blood cancer |
| B. | AIDS |
| C. | Cerebral haemorrhage |
| D. | Hepatitis |
| Answer» B. AIDS | |
| 706. |
Mitochondria are able to produce their own______. |
| A. | Nucleus |
| B. | Proteins |
| C. | Chloroplasts |
| D. | Digestive enzymes |
| Answer» C. Chloroplasts | |
| 707. |
Bowman's capsule is a part of which of the following cells in mammals? |
| A. | Myocyte |
| B. | Oocyte |
| C. | Neuron |
| D. | Nephron |
| Answer» E. | |
| 708. |
Genetically modified (GM) crops contain modified genetic material due to:1. Introduction of new DNA2. Removal of existing DNA3. Introduction of RNA4. Introduction of new traitsSelect the correct answer using the code given below: |
| A. | 1 and 2 only |
| B. | 1, 2 and 3 |
| C. | 3 and 4 |
| D. | 1, 2 and 4 |
| Answer» E. | |
| 709. |
Malus pumila is the botanical name of the _______ tree. |
| A. | Banana |
| B. | Apple |
| C. | Orange |
| D. | Water melon |
| Answer» C. Orange | |
| 710. |
Assertion A): "DNA Finger Printing" has become an important test to establish the paternity and identity of criminals of rape cases.Reason R): Small samples such as hair, dried blood, and semen are adequate for DNA analysis.Select the correct answer using the codes given below: |
| A. | Both A and R are true and R explains A |
| B. | Both A and R are true but R does not explain A |
| C. | A is true and R is false |
| D. | A is false and R is true |
| Answer» B. Both A and R are true but R does not explain A | |
| 711. |
Areolar tissue fills the spaces ________ the organ, supports the _______ organs and repairs tissues. |
| A. | outside; internal |
| B. | outside; external |
| C. | inside; internal |
| D. | inside; external |
| Answer» D. inside; external | |
| 712. |
An organism having some characteristics of plant and animal kingdom is |
| A. | Paramecium |
| B. | Amoeba |
| C. | Euglena |
| D. | Giraffe |
| Answer» D. Giraffe | |
| 713. |
Menopause is the stage in the human female when ______. |
| A. | Menstruation starts |
| B. | Puberty begins |
| C. | Menstruation stops and reproductive capacity is arrested |
| D. | None of the these |
| Answer» D. None of the these | |
| 714. |
Consider the following statements about the sliding filament theory of muscle contraction:a. This theory explains the modern concept of muscle contraction.b. This theory was put forward by Huxley and Niedergerke.Which of the above statements is/are true? |
| A. | Only a |
| B. | Only b |
| C. | Both a and b |
| D. | None of the above |
| Answer» D. None of the above | |
| 715. |
Motile sperms of Pila is known as |
| A. | Oligopyrene |
| B. | Eupyrene |
| C. | Eurypylaus |
| D. | Apylaus |
| Answer» C. Eurypylaus | |
| 716. |
'Elephantiasis' or 'Filariasis' disease is transmitted by |
| A. | Housefly |
| B. | Mosquito |
| C. | Bedbug |
| D. | Fruitfly |
| Answer» C. Bedbug | |
| 717. |
Cell wall of any fungus is different from plants in having |
| A. | cellulose |
| B. | chitin |
| C. | cholesterol |
| D. | glycogen |
| Answer» C. cholesterol | |
| 718. |
Locomotion by parapodia is observed in |
| A. | Echino dermates |
| B. | Some annelids |
| C. | Some arthropods |
| D. | Vertibrates |
| Answer» C. Some arthropods | |
| 719. |
Number of vertebrae present on cervical, thoracic, lumbar, sacral and coccyx regions are respectively? |
| A. | 12, 7, 5, 1, 1 |
| B. | 1, 7, 5, 12, 1 |
| C. | 7, 5, 1, 12, 1 |
| D. | 7, 12, 5, 5, 4 |
| Answer» E. | |
| 720. |
Deficiency disease Pellagra is caused by the deficiency of which of the following? |
| A. | Niacin |
| B. | Vitamin B5 |
| C. | Riboflavin |
| D. | Vitamin B2 |
| Answer» B. Vitamin B5 | |
| 721. |
In an earthworm the 14-16 segments are covered by a prominent dark band of glandular tissue called ___________. |
| A. | Clitellum |
| B. | Prostomium |
| C. | Metamere |
| D. | Setae |
| Answer» B. Prostomium | |
| 722. |
India’s first Snow Leopard Conservation Centre is going to develop in which state? |
| A. | Assam |
| B. | Uttarakhand |
| C. | Arunachal Pradesh |
| D. | Meghalaya |
| Answer» C. Arunachal Pradesh | |
| 723. |
A person with the blood group ______ is considered to be a universal donor. |
| A. | O negative |
| B. | AB positive |
| C. | AB negative |
| D. | O positive |
| Answer» B. AB positive | |
| 724. |
Epidermal cells of which part of plant often secrete a waxy water resistant layer on their outer surface? |
| A. | Aerial parts only |
| B. | Roots only |
| C. | Both aerial parts and roots |
| D. | Neither aerial parts nor roots |
| Answer» B. Roots only | |
| 725. |
Consider the following statements & choose the correct option.I. Formation of blood cells in the bone marrow by a process called hematopoiesis.II. Detoxification or removal of certain poisonous substances. |
| A. | Both I and II are functions of the skeleton. |
| B. | Both I and II are functions of kidney |
| C. | II is the function of the kidney and I of the skeleton. |
| D. | I is the function of joints and II of skeleton |
| Answer» D. I is the function of joints and II of skeleton | |
| 726. |
It is not advisable to sleep under a tree at night because of the |
| A. | release of less oxygen |
| B. | release of more oxygen |
| C. | release of carbon monoxide |
| D. | release of carbon dioxide |
| Answer» E. | |
| 727. |
Germs entering the body through food are mainly killed in the region of alimentary canal where the pH may reach the level ________. |
| A. | 2 |
| B. | Below 7 |
| C. | 14 |
| D. | 0 |
| Answer» C. 14 | |
| 728. |
In which part of the body is thyroid gland situated? |
| A. | Head |
| B. | Abdomen |
| C. | Throat |
| D. | Chest |
| Answer» D. Chest | |
| 729. |
________ is responsible for oxygen transportation in humans. |
| A. | Mucus |
| B. | Melanin |
| C. | Lymph |
| D. | Hemoglobin |
| Answer» E. | |
| 730. |
Aurelia (Medusa) and Adamsia (Polyp) are examples of which Phylum? |
| A. | Ctenophora |
| B. | Annelida |
| C. | Coelenterata |
| D. | Aschelminthes |
| Answer» D. Aschelminthes | |
| 731. |
Eutrophication of water body results from |
| A. | Depletion of oxygen |
| B. | Enhanced growth of algae or algal blooms |
| C. | High amounts of nitrogenous nutrients and orthophosphate |
| D. | Submersing idols in the water body |
| Answer» D. Submersing idols in the water body | |
| 732. |
Oxygenated blood is carried by ___________. |
| A. | Pulmonary vein |
| B. | Pulmonary artery |
| C. | Hepatic portal vein |
| D. | Renal vein |
| Answer» B. Pulmonary artery | |
| 733. |
Pernicious anaemia is a disease caused due to the deficiency of: |
| A. | Vitamin B1 |
| B. | Vitamin D |
| C. | Vitamin B12 |
| D. | Vitamin C |
| Answer» D. Vitamin C | |
| 734. |
Number of Barr nodies in Klinefelter syndrome is |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | Zero |
| Answer» B. 2 | |
| 735. |
Enzyme ptyalin is seen in - |
| A. | Gastric juice |
| B. | Pancreatic juice |
| C. | Intestinal juice |
| D. | Saliva |
| Answer» E. | |
| 736. |
Night blindness is caused due to the deficiency of vitamin _______. |
| A. | A |
| B. | D |
| C. | E |
| D. | K |
| Answer» B. D | |
| 737. |
Plasmodium reproduces by which of the following methods? |
| A. | Multiple division |
| B. | Binary division |
| C. | Budding |
| D. | Fission |
| Answer» B. Binary division | |
| 738. |
__________ respiration is a process in which organisms generate energy in the absence of oxygen. |
| A. | Underweight |
| B. | Autotrophic |
| C. | Oxy |
| D. | Anaerobic |
| Answer» E. | |
| 739. |
In desert plants, rate of water loss gets reduced due to the presence of: |
| A. | Suberin |
| B. | Cuticle |
| C. | Lignin |
| D. | Stomata |
| Answer» C. Lignin | |
| 740. |
Malaria is a life threatening disease and is generally transmitted through infected _________________. |
| A. | bees |
| B. | fiies |
| C. | mosquitoes |
| D. | birds |
| Answer» D. birds | |
| 741. |
Consider the following statements :1. Hepatitis B is several times more infectious than HIV/AIDS2. Hepatitis B can cause liver cancerWhich 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 | |
| 742. |
Dental formula of elephant is |
| A. | \(\dfrac{1033}{0033}\) |
| B. | \(\dfrac{1003}{1003}\) |
| C. | \(\dfrac{1023}{1013}\) |
| D. | \(\dfrac{2033}{1033}\) |
| Answer» B. \(\dfrac{1003}{1003}\) | |
| 743. |
Chocolates can be bad for health because of a high content of- |
| A. | Cobalt |
| B. | Nickel |
| C. | Lead |
| D. | Zinc |
| Answer» C. Lead | |
| 744. |
Curcumin, a phenolic compound widely used for medicinal purposes is found in: |
| A. | ginger |
| B. | black pepper |
| C. | turmeric |
| D. | tamarind |
| Answer» D. tamarind | |
| 745. |
Deficiency of which of the following causes Beri Beri in human beings? |
| A. | Vitamin B1 |
| B. | Vitamin C |
| C. | Vitamin D |
| D. | Vitamin A |
| Answer» B. Vitamin C | |
| 746. |
Crocodiles have a ________ chambered heart. |
| A. | three |
| B. | single |
| C. | four |
| D. | two |
| Answer» D. two | |
| 747. |
Eutherian mammals are |
| A. | Oviparous |
| B. | Viviparous |
| C. | Ovoviviparous |
| D. | Both a) and c) |
| Answer» C. Ovoviviparous | |
| 748. |
Change in the base sequence within a gene is called |
| A. | Mutation |
| B. | Cloning |
| C. | Fission |
| D. | Breeding |
| Answer» B. Cloning | |
| 749. |
Intestine absorbs the digested food materials. What type of epithelial cells are responsible for that? |
| A. | Glandular epithelium |
| B. | Cuboidal epithelium |
| C. | Columnar epithelium |
| D. | Stratified squamous epithelium |
| Answer» D. Stratified squamous epithelium | |
| 750. |
Bone matrix is rich in: |
| A. | Phosphorous and potassium |
| B. | Calcium and phosphorous |
| C. | Fluoride and calcium |
| D. | Calcium and potassium |
| Answer» C. Fluoride and calcium | |