biology Mcqs
1401. Amylase becomes denatured at an alkaline pH of:__________?
comments icon0

A. 7

B. 9

C. 8

D. 6

1402. The higher animals have special organs for exchange of gases as their skin is ___________ ?
comments icon0
A. Thick

B. Thin

C. Soft

D. Hard

1403. The pelvic girdle connect the leg with_________?
comments icon0

A. Shoulder

B. Vertebral column

C. Skull

D. Rib cage

1404. The membrane covering the lungs is a________?
comments icon0
A. Pleura

B. Mesothelium

C. Peritoneum

D. Pericardium

1405. A chromosome with centromere near the middle is called _________ ?
comments icon0

A. Telocentric

B. Metacentric

C. Submetacentric

D. Acrocentric

1406. Blood vessels which carry deoxygenated blood are called__________?
comments icon0
A. Veins

B. None of these

C. Arteries

D. Capillaries

1407. Stamens are not usually pendulous in plants pollinated by __________ ?
comments icon0

A. Wind

B. Water

C. Rain

D. Insects
1408. How many nucleosomes are found in helical coil of 30 nm chromatin fibre ____?
comments icon0

A. 9

B. 12

C. 10

D. 06
1409. Apiculture means:____________?
comments icon0
A. Honey bee farming

B. Horse forming

C. Chicken farming

D. Silkworm farming

1410. At level above _____ , sound turns into harmful noise pollution?
comments icon0

A. 100db

B. 80db

C. 30db

D. 120db

1411. Which blood cells are called Soldiers of the body_________?
comments icon0

A. All of the above

B. WBC

C. RBC

D. Platelets

1412. Chlorophyll is a naturally occurring chelate compound in which central metal is
comments icon0

A. None of these

B. magnesium

C. copper

D. iron

1413. Epiphytes are plants which depend on other plants for________?
comments icon0

A. food

B. shade

C. None of these

D. mechanical support
1414. Who is the father of biology?
comments icon0

A. None of above

B. Ronald Fisher

C. Aristotle

D. Albert Einstein

1415. The place of centromere where spindle fibres get attached is_________?
comments icon0
A. Kinetochore

B. Centromere region

C. all of these

D. Kinochore

1416. Which is the smallest gland in human body ______?
comments icon0
A. . Pineal Gland

B. Parathyroid

C. Pituitary Gland

D. Adrenal Gland

1417. The food conducting tissue of a plant is __________ ?
comments icon0

A. Xylem

B. Phloem

C. Collenchyma

D. Parenchyma

1418. Ultra Microscopic viruses are the main cause of__________?
comments icon0

A. Cholera

B. Malaria

C. Mumps

D. Measles

1419. The small intestine has three parts. The first part is called________?
comments icon0

A. Oesophagus

B. Duodenum

C. None of these

D. Larynx

1420. Which organelles contain its own DNA?
comments icon0
A. All of these

B. chloroplast

C. mitochondria

D. nucleus

1421. Carotid artery location in human body?
comments icon0

A. Wrist

B. Brain

C. Elbow

D. Neck
1422. Dogs mostly show which type of Diabetes Mellitus:
comments icon0
A. Type 1 diabetes

B. Type 2 diabetes

C. Both a& b

D. None of these

1423. In the human body, fats are stored in the__________?
comments icon0

A. Epidermis

B. Liver

C. Epithelium

D. Adipose tissue
1424. Which of the following proteins have role in heredity?
comments icon0

A. Chromo-proteins

B. Nucleo-proteins

C. Phospho-proteins

D. Lipo-proteins

1425. Which of following is a tiny gland?
comments icon0

A. Pituitary

B. Pancrease

C. Pineal

D. Thyroid

1426. The character which appears physically in an animal is __________?
comments icon0

A. Morphozygous

B. Phenotype

C. Heterotype

D. Genotype

1427. protein discovered by: ___________?
comments icon0

A. None of these

B. Jons Jacob Berzelius

C. Anselme Payen

D. Walter Bradford Cannon

1428. Which one of the following toxic metals is extensively present in newspaper?
comments icon0

A. Cd

B. Mg

C. Pb

D. Hg

1429. Which part of the nervous system controls the activities of internal organs________?
comments icon0
A. MedullaOblongata

B. Cerebellum

C. Spinal cord

D. Cerebrum

1430. The haploid condition is found in _________?
comments icon0
A. Zygote

B. Amoeba

C. Ovum

D. Bacteria

1431. Ingestion of bacteria by certain type of cells is termed as ________ ?
comments icon0
A. Phagocytosis

B. Agglutination

C. Paralysis

D. Acclimatization

1432. Special enzymes are released during necrosis from __________ ?
comments icon0

A. Vacuoles

B. Golgi bodies

C. lysosomes

D. Cytoplasm

1433. Fermentation takes place in which componenet of a cell ?
comments icon0

A. Nucleus

B. Cytoplasm

C. Mitochondria

D. None of the above

1434. Life span of Red Blood Cells_____?
comments icon0
A. 120 Days

B. 100 Days

C. 150 Days

D. 80 Days

1435. X-chrosome is _________?
comments icon0
A. Submetacentric

B. Acrocentric

C. Telocentric

D. Acentric

1436. The gal bladder releases _________ enzyme to digest the food ?
comments icon0

A. Hcl

B. Both

C. Pepsin

D. None

1437. Which of the following CANNOT be transmitted via infectious droplets?
comments icon0

A. Influenza

B. Rubella

C. None of the above

D. Common cold

1438. Athletes Foot is a disease caused by_________?
comments icon0

A. Protozoan

B. Bacteria

C. Fungus

D. Nematode

1439. Which of the following is incorrect:
comments icon0
A. None of these

B. Operating expenses means a difference between gross profit and net profit.

C. Gross profit is a sum of net profit and operating expenses.

D. Sales is a sum of cost of goods sold and gross profit.

1440. Which of the following are the properties of Anti inflammatory medicines?
comments icon0

A. Anti inflammation

B. All

C. Immuno suprent

D. Anti pyratic

1441. Acid present in gastric juice is_________?
comments icon0

A. Sulphuric Acid

B. Acetic Acid

C. Citric Acid

D. Hydrochloric Acid
1442. Oxygen is the production of____________?
comments icon0

A. Mitochonderia

B. Chloroplast

C. Peroxisomes

D. Both A & B

1443. All cell of an organism are similar in_________?
comments icon0

A. Structure

B. Fundamental organization

C. Shape

D. Size

1444. Mastectomy is mainly associated with which of these diseases?
comments icon0

A. Tuberculosis

B. Breast Cancer

C. AIDS

D. Blood Cancer

1445. Link between living and non-living organisms?
comments icon0
A. Virus

B. Cyanobacteria

C. Plants

D. Bacteria

1446. Term allele was coined by?
comments icon0

A. Negalli

B. Bitson

C. Robert Brown

D. Dixon

1447. When the Left Ventricle in the human heart contracts, the blood moves to the_________ ?
comments icon0
A. Aorta

B. Pulmonary Artery

C. Lungs

D. Brain

1448. Organ rejection is caused by__________?
comments icon0

A. B-Lymphocytes

B. T-lymphocytes

C. Both B and T lymphocytes

D. RBCs

1449. One of the reasons why some people cough while eating a meal may be due to the improper movement of _______ :
comments icon0
A. Epiglottis

B. Diaphram

C. Larynx

D. None of these

1450. Keratin is a type of Protein Found in __________?
comments icon0
A. Nails

B. Muscle Cells

C. Skin Fiber

D. Blood Cells