Basic Biology Mcqs - Set 25

1)   Which among the following is an Autotroph _________ ?

a. Butterfly
b. Mushroom
c. Fish
d. Algae
Answer  Explanation 

ANSWER: Algae

Explanation:
lgae is an Autotroph.

Autotrophs : An Autotroph is also called as Producer, is an organism that produces complex organic compounds from simple substances present in its surroundings, generally using energy from light or inorganic chemical reactions.


2)   Which of the following ” Tikka disease” is related with the crop?

a. Musturd
b. Paddy
c. Ground nut
d. None of these
Answer  Explanation 

ANSWER: Ground nut

Explanation:
No explanation is available for this question!


3)   The hormone that helps in Parthenocarpy?

a. Abscisic acid
b. Cytokinin
c. Ethylene
d. Gibberellin
Answer  Explanation 

ANSWER: Gibberellin

Explanation:
No explanation is available for this question!


4)   The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?

a. Lipids
b. Carbohydrates
c. Amino acids
d. Protein and amino acids
Answer  Explanation 

ANSWER: Protein and amino acids

Explanation:
No explanation is available for this question!


5)   Disease which transferred from animal to Human is_________?

a. Sporadic
b. Epidemic
c. Endemic
d. Zoonosis
Answer  Explanation 

ANSWER: Zoonosis

Explanation:
Disease Transmitted from Animals to Humans. A zoonosis (zoonotic disease or zoonoses -plural) is an infectious disease that is transmitted between species from animals to humans (or from humans to animals).


6)   Trisomy 21 is most common in mothers of the ________ age group.

a. 15 to 19
b. 20 to 34
c. 35 to 39
d. 40 to 45
Answer  Explanation 

ANSWER: 40 to 45

Explanation:
No explanation is available for this question!


7)   Ingestion of some water with food in Amoeba takes place by the process of ______ ?

a. Endosmosis
b. Pinocytosis
c. Phagocytosis
d. None of these
Answer  Explanation 

ANSWER: Phagocytosis

Explanation:
No explanation is available for this question!


8)   Amoeba secretes digestive enzymes to hydrolyse _________ ?

a. Starch
b. Sugar
c. Proteins
d. All of these and fats
Answer  Explanation 

ANSWER: All of these and fats

Explanation:
No explanation is available for this question!


9)   The number of daughter paramecia produced following conjugation is _______ ?

a. 8 from one conjugant
b. 8 from two conjugants
c. 16 from two conjugants
d. 8-16 from two conjugants
Answer  Explanation 

ANSWER: 8 from two conjugants

Explanation:
No explanation is available for this question!


10)   Corolla and calyx collectively termed as___________?

a. Prienth
b. Hermaphrodite
c. Complete flower
d. Sexual whorls
Answer  Explanation 

ANSWER: Hermaphrodite

Explanation:
No explanation is available for this question!


11)   Sporogony of malaria parasite occurs in _______ ?

a. Liver of man
b. RBC of man
c. Stomach wall of mosquito
d. Salivary glands of mosquito
Answer  Explanation 

ANSWER: Stomach wall of mosquito

Explanation:
No explanation is available for this question!


12)   Under unfavourable conditions, the Amoeba reproduces by ________ ?

a. Binary fission
b. Conjugation
c. Encystment
d. Endomixis
Answer  Explanation 

ANSWER: Encystment

Explanation:
No explanation is available for this question!


13)   Mild tertian malaria is caused by _______ ?

a. Plasmodium vivax
b. Plasmodium falciparum
c. Plasmodium ovale
d. Plasmodium malariae
Answer  Explanation 

ANSWER: Plasmodium vivax

Explanation:
No explanation is available for this question!


14)   Blood does not coagulate inside the body due to the presence of___________?

a. Haemoglobin
b. Fibrin
c. Heparin
d. Plasma
Answer  Explanation 

ANSWER: Heparin

Explanation:
Blood does not coagulate inside the body due to the presence of Heparin.

Heparin is an anticoagulant (blood thinner) that prevents the formation of blood clots. Heparin is used to treat and prevent blood clots caused by certain medical conditions or medical procedures. It is also used before surgery to reduce the risk of blood clots.


15)   Accurate name given to blood is ___________ ?

a. Red fluid
b. Hemoglobin
c. Fluid tissue
d. Plasma
Answer  Explanation 

ANSWER: Fluid tissue

Explanation:
No explanation is available for this question!


16)   Sweat glands occur in greatest number in the skin of the__________?

a. Forehead
b. Back
c. Armpits
d. Palm of hand
Answer  Explanation 

ANSWER: Armpits

Explanation:
No explanation is available for this question!


17)   Protein which acts as hormone is__________?

a. Casein
b. Trypsin
c. Oxytocin
d. Keratin
Answer  Explanation 

ANSWER: Oxytocin

Explanation:
No explanation is available for this question!


18)   Which one of the following vitamin is known as the “anti- Sterile” factor?

a. Ascorbic acid
b. Retinol
c. Riboflavin
d. a-tocopherols
Answer  Explanation 

ANSWER: Ascorbic acid

Explanation:
No explanation is available for this question!


19)   Which of the following vitamins is useful in ostcoimalacia?

a. Vitamin D
b. Vitamin E
c. Vitamin C
d. Vitamin A
Answer  Explanation 

ANSWER: Vitamin D

Explanation:
No explanation is available for this question!


20)   Human body makes about 20 million erythrocytes in__________?

a. One Second
b. Two Seconds
c. Three Seconds
d. Four Seconds
Answer  Explanation 

ANSWER: One Second

Explanation:
No explanation is available for this question!


21)   Ingestion of bacteria by certain type of cells is termed as ________ ?

a. Acclimatization
b. Agglutination
c. Paralysis
d. Phagocytosis
Answer  Explanation 

ANSWER: Phagocytosis

Explanation:
No explanation is available for this question!


22)   The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Women.

a. 4.5 to 6.2 million
b. 3.4 to 6.8 million
c. 3.2 to 7.2 million
d. 4.0 to 5.2 million
Answer  Explanation 

ANSWER: 4.0 to 5.2 million

Explanation:
The expected number of RBCs in a single drop, or microliter, of blood is 4.0 to 5.2 million in women and 4.5 to 6.2 million in men.


23)   The normal range of the number of white blood cells in a microliter of blood is between _________ ?

a. 2,500 and 09,300
b. 4,500 and 10,000
c. 4,900 and 12,000
d. None of these
Answer  Explanation 

ANSWER: 4,500 and 10,000

Explanation:
The normal range is 4,500 to 10,000 cells per microliter (cells/mcL). (A microliter is a very tiny amount – one millionth of a liter).


24)   The expected number of RBCs in a single drop, or microliter, of blood is _________ million in Men.

a. 4.5 to 6.2 million
b. 3.4 to 6.8 million
c. 3.2 to 7.2 million
d. 4.0 to 5.2 million
Answer  Explanation 

ANSWER: 4.5 to 6.2 million

Explanation:
The expected number of RBCs in a single drop, or microliter, of blood is 4.5 to 6.2 million in men and 4.0 to 5.2 million in women.


25)   Parkinson is a disease of_________?

a. Lungs
b. Eyes
c. Brain
d. Bones
Answer  Explanation 

ANSWER: Brain

Explanation:
No explanation is available for this question!


26)   Acetabularia is a kind of __________ ?

a. Fungi
b. Protist
c. Multicellular alga
d. Unicellular alga
Answer  Explanation 

ANSWER: Unicellular alga

Explanation:
Acetabularia is a genus of green algae in the family Polyphysaceae, Typically found in subtropical waters, Acetabularia is a single-celled organism, but gigantic in size and complex in form, making it an excellent model organism for studying cell biology.


27)   Acetabularia mediterranea has a cap of _________ ?

a. Regular shape
b. Circular shape
c. Triangular shape
d. Cone shape
Answer  Explanation 

ANSWER: Regular shape

Explanation:
No explanation is available for this question!


28)   What is hibernation and aestivation________?

a. Thermal adaptation shown by animals
b. wind adaptation shown by animals
c. adaptation of animals to escape from predators
d. none of the above
Answer  Explanation 

ANSWER: Thermal adaptation shown by animals

Explanation:
No explanation is available for this question!


29)   Enzyme activity can also be charted through the __________ ?

a. Rate of digestion
b. Rate of reaction
c. Level of pH
d. Number of active sites
Answer  Explanation 

ANSWER: Rate of reaction

Explanation:
No explanation is available for this question!


30)   BOD refers to the __________?

a. Bidding of Dermatology
b. Binding of Dirt
c. Biochemical occupied Date
d. Biochemical Oxygen demand
Answer  Explanation 

ANSWER: Biochemical Oxygen demand

Explanation:
No explanation is available for this question!


31)   Self pollination is not possible in ________ ?

a. Dioecious plants
b. Pawpaw
c. Flowers
d. both A and B
Answer  Explanation 

ANSWER: both A and B

Explanation:
No explanation is available for this question!


32)   “lub” sound is produced after _________ ?

a. The ventricles are fully contracted
b. The ventricles start to relax
c. The bicuspid and tricuspid valves suddenly close
d. The semilunar valves are closed
Answer  Explanation 

ANSWER: The bicuspid and tricuspid valves suddenly close

Explanation:
No explanation is available for this question!


33)   Examples of Epigeal germination include _________ ?

a. Maize
b. Sword bean seed
c. Broad bean seed
d. Corn
Answer  Explanation 

ANSWER: Sword bean seed

Explanation:
No explanation is available for this question!


34)   All are functions of hypothalamus, but, _________ ?

a. Regulation of body temperature
b. Regulation of anti-diuretic hormones
c. Regulation of sleep and emotions
d. Regulation of blood osmotic pressure
Answer  Explanation 

ANSWER: Regulation of anti-diuretic hormones

Explanation:
No explanation is available for this question!


35)   More water is reabsorbed in blood due to _________ ?

a. More anti-diuretic hormone
b. Lesser anti-diuretic hormone
c. Active functioning of pancreas
d. Inactivity of pituitary gland
Answer  Explanation 

ANSWER: More anti-diuretic hormone

Explanation:
No explanation is available for this question!


36)   Sessile flowers have _________ ?

a. No scent
b. Irregular shape
c. No pedicles
d. No petals
Answer  Explanation 

ANSWER: No pedicles

Explanation:
No explanation is available for this question!


37)   Stamens are not usually pendulous in plants pollinated by __________ ?

a. Wind
b. Insects
c. Water
d. Rain
Answer  Explanation 

ANSWER: Insects

Explanation:
No explanation is available for this question!


38)   Guard cells of stoma are ________ ?

a. Irregular in shape
b. Convex in shape
c. Long and cylindrical in shape
d. Kidney-shaped
Answer  Explanation 

ANSWER: Kidney-shaped

Explanation:
No explanation is available for this question!


39)   Special kind of protein containing iron is called as _________ ?

a. Hormones
b. Hemoglobin
c. Red blood cell
d. White blood cell
Answer  Explanation 

ANSWER: Hemoglobin

Explanation:
No explanation is available for this question!


40)   Zygote with three copies chromosome 21, is known to cause _________?

a. Hay fever
b. Scurvy
c. Parkinson Disease
d. Downs syndrome
Answer  Explanation 

ANSWER: Downs syndrome

Explanation:
No explanation is available for this question!


41)   Kind of respiration through which skeletal muscles of human body gets the energy is ________ ?

a. Acidic respiration
b. Anaerobic respiration
c. Aerobic respiration
d. Nitrogenous respiration
Answer  Explanation 

ANSWER: Anaerobic respiration

Explanation:
No explanation is available for this question!


42)   Fuel used by cells in cellular respiration to get energy is ________ ?

a. polysaccharides
b. Polypeptides
c. Glucose
d. Sugar
Answer  Explanation 

ANSWER: Glucose

Explanation:
No explanation is available for this question!


43)   Kind of cellular respiration which occurs in presence of oxygen is _________ ?

a. Anaerobic respiration
b. Aerobic respiration
c. Nitrogenous respiration
d. Acidic respiration
Answer  Explanation 

ANSWER: Anaerobic respiration

Explanation:
No explanation is available for this question!


44)   Special enzymes are released during necrosis from __________ ?

a. lysosomes
b. Vacuoles
c. Cytoplasm
d. Golgi bodies
Answer  Explanation 

ANSWER: lysosomes

Explanation:
No explanation is available for this question!


45)   Number of cells that are destroyed in adults by apoptosis are ________ ?

a. 20 to 35 billion cells
b. 50 to 70 billion cells
c. 10 to 20 billion cells
d. 15 to 25 billion cells
Answer  Explanation 

ANSWER: 50 to 70 billion cells

Explanation:
No explanation is available for this question!


46)   Biebs that are broke off from cell are called __________?

a. Apoptotic bodies
b. Necrosis bodies
c. Tuberculosis bodies
d. Cytokinetic bodies
Answer  Explanation 

ANSWER: Apoptotic bodies

Explanation:
No explanation is available for this question!


47)   Crysanthemum is propagated by___________?

a. Suckers
b. corms
c. corals
d. None
Answer  Explanation 

ANSWER: Suckers

Explanation:
No explanation is available for this question!


48)   Outer surface of bones is covered by a dense layer of connective tissue, called as ___________ ?

a. Periosteum
b. Woven bone
c. Epithelium lining
d. Connective lining
Answer  Explanation 

ANSWER: Periosteum

Explanation:
No explanation is available for this question!


49)   Another name for liver is called ___________ ?

a. Hepar
b. Hepta
c. Heptum
d. Hilum
Answer  Explanation 

ANSWER: Hepar

Explanation:
No explanation is available for this question!


50)   Joints between flat bones of skull are termed as ____________ ?

a. Suture
b. Sutural joints
c. Syndesmosis
d. Both A and B
Answer  Explanation 

ANSWER: Both A and B

Explanation:
No explanation is available for this question!