Category: NEET Biology Objective Questions

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Dinoflagellates Multiple Choice Questions

MCQs on Dinoflagellates :

1. Dinoflagellates belong to
(a) Monera
(b) Protista
(c) Fungi
(d) Animalia

2. In which of the following organisms, the cell wall is made up of two overlapping shells?
(a) Chrysophytes
(b) Euglenoids
(c) Slime moulds
(d) Dinoflagellates

3. Most of the Dinoflagellates are
(a) Multicellular
(b) Unicellular
(c) Zooflagellates
(d) both (a) and (b)

4. Dinoflagellates are
(a) biflagellate
(b) uniflagellate
(c) they have many flagella
(d) non flagellate

5. Food reserve in Dinoflagellates is
(a) Alginic acid
(b) Fucoxanthin
(c) Starch
(d) Mannitol

6. Which of the following pigments are not present in Dinoflagellates?
(a) Fucoxanthin
(b) Chlorophyll a
(c) Chlorophyll b
(d) Chlorophyll c

7. Which of the following protozoans show bioluminescence?
(a) Opaline
(b) Noctiluca
(c) Paramecium
(d) Entamoeba

8. Marine phytoplankton is mostly represented by
(a) Brown algae
(b) Green algae
(c) Seaweeds
(d) Diatoms and Dinoflagellates

9. The function of pusule in Dinoflagellate is
(a) Osmoregulation
(b) Food production
(c) Food storage
(d) Movement

10. Dinoflagellates are
(a) Photosynthetic
(b) Holophytic
(c) Autotrophic
(d) All of these

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Epithelial Tissue Multiple Choice Questions

MCQs on Epithelial Tissue :

1. Find the correct match
(a) The moist surface of the buccal cavity has glandular epithelium
(b) The tubular parts of nephrons have cuboidal epithelium
(c) The inner surface of bronchioles have squamous epithelium
(d) The inner lining of salivary ducts have ciliated epithelium

2. The ciliated columnar epithelium is present in
(a) bronchioles and Fallopian tube
(b) bile duct and oesophagus
(c) Fallopian tube and urethra
(d) Eustachian tube and stomach lining

3. Which types of cells line blood vessels?
(a) columnar epithelium
(b) smooth muscle tissue
(c) connective tissue
(d) squamous epithelium

4. Gap, tight and adhering junctions are found in
(a) epithelial tissue
(b) connective tissue
(c) muscular tissue
(d) neural tissue

5. Which types of epithelial cells form Stratum germinativum?
(a) cuboidal
(b) ciliated
(c) columnar
(d) squamous

6. An epithelial tissue having thin flat and closely packed cells that are arranged edge to edge are found in
(a) the inner lining of cheeks
(b) the inner lining of the stomach
(c) the inner lining of the fallopian tube
(d) the outer surface of the ovary

7. Which of the following layer has actively dividing cells?
(a) stratum lucidum
(b) stratum corneum
(c) stratum compactum
(d) stratum malpighi

8. Tissue having very less or no intercellular matrix is
(a) epithelial
(b) connective
(c) cardiac
(d) muscular

9. The inner lining of the vagina, urethra and oesophagus is made up of
(a) Columnar epithelium
(b) Stratified squamous epithelium
(c) Squamous epithelium
(d) Ciliated epithelium

10. Simple cuboidal epithelium is found in
(a) Thin bronchioles
(b) Choroid of eye
(c) Sweat gland
(d) All of the above

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Diversity in Living World Multiple Choice Questions

MCQs on Diversity in Living World :

1. Compared to genus, which of the following is less general in characters?
(a) Family
(b) Species
(c) Division
(d) Class

2. For wheat, which of the following combinations is correct?
(a) Genus Triticum, family Poaceae, order Poales, Class Monocotyledonae
(b) Genus Triticum, family Poaceae, order Poales, Class Dicotyledonae
(c) Genus Triticum, family Poaceae, order Sapindales, Class Monocotyledonae
(d) Genus Triticum, family Anacardiaceae, order Poales, Class Monocotyledonae

3. Regulation of cells’ activity takes place through
(a) Flow of substances
(b) Flow of energy
(c) Flow of hormones
(d) Flow of smoke

4. Assertion(a): “Biological species” concept helps to ask how species are formed

Reason(r): Concept of biological species is centred around the question of how reproductive isolation comes about
(a) Both (a) and (r) are correct, but (r) is not the explanation for (a)
(b) Both (a) and (r) are correct, (r) is the correct explanation for (a)
(c) (a) and (r) both are incorrect
(d) (a) is true, (r) is incorrect

5. The correct sequence of taxonomic categories is:
(a) Species -> genus -> order -> phylum
(b) Species -> order -> genus-> kingdom
(c) Genus -> species -> order -> kingdom
(d) None of these

6. Taxonomic hierarchy refer to
(a) Classification of species based on the fossil record
(b) A list of botanists or zoologists who have worked on the taxonomy of a species or group
(c) a group of senior taxonomists who decide the nomenclature of animals and plants
(d) Stepwise arrangement of all categories for classification of animals and plants

7. Which one of these categories has real existence?
(a) Species
(b) Genus
(c) Kingdom
(d) Phylum

8. A true species comprises of a population
(a) Interbreeding
(b) Sharing the same niche
(c) Reproductively isolated
(d) Feeding over the same food

9. Nicotiana sylvestris flowers only during long days while N.tabacum flowers only during short days. Under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offsprings. What is the best reason for considering Nicotiana sylvestris and N.tabacum as separate species?
(a) They are reproductively distinct
(b) They fail to interbreed in nature
(c) They are physiologically different
(d) They are distinct morphologically

10. One of the first acts in taxonomy is
(a) Identification
(b) Description
(c) Naming
(d) Classification

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Cell Structure and Function Multiple Choice Questions

MCQs on Cell Structure and Function :

1. This cell is the longest in the human body
(a) Muscle cells
(b) Nerve cells
(c) Bone cells
(d) Gland cells

2. This tissue includes the blood tissue
(a) Muscle tissue
(b) Connective tissue
(c) Epithelial tissue
(d) Nervous tissue

3. Which of this is/are examples of an organ containing a smooth muscle
(a) Iris of eye
(b) Bronchi only
(c) Uterus only
(d) All of the above

4. This structure of the plant cell is non-living
(a) Nucleus
(b) cell wall
(c) cytoplasm
(d) Mitochondrion

5. This cell organelle does not contain DNA
(a) Nucleus
(b) Mitochondria
(c) Lysosomes
(d) Chloroplast

6. The main difference between human cheek cells and onion peel cells is
(a) Presence of cell wall in onion peel cells
(b) Presence of mitochondria in onion peel cells
(c) Absence of endoplasmic reticulum in cheek cells
(d) Absence of the plasma membrane in cheek cells

7. This jellylike substance inside the plasma membrane in which all cell organelles are floating is
(a) Cytoplasm
(b) Tonoplasm
(c) Karyoplasm
(d) Cell sap

8. The organelle serving as a primary packaging area for molecules that will be distributed throughout the cell is
(a) Vacuole
(b) Plastids
(c) Mitochondria
(d) Golgi apparatus

9. Animal cells are interconnected by
(a) Plasma membrane
(b) Cell wall
(c) Desmosomes
(d) Plasmodesmata

10. The Cell theory is not applicable to
(a) Fungi
(b) Algae
(c) Virus
(d) Microbes

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Structure of Ear Multiple Choice Questions

MCQs on Structure of Ear :

1. Which part of the ear has no role to play in hearing but is very important?
(a) Ear ossicles
(b) Organ of Corti
(c) Eustachian tube
(d) Vestibular apparatus

2. It receives sound vibration and passes to the eardrum
(a) outer ear
(b) middle ear
(c) inner ear
(d) eustachian tube

3. The border between the middle and inner ear is formed by
(a) incus
(b) oval window
(c) pinnae
(d) tympanic membrane

4. The Organ of Corti is present in
(a) scala vestibuli
(b) scala tympani
(c) scala media
(d) none of the above

5. The membranous labyrinth contains
(a) Cystolymph
(b) Otolymph
(c) Perilymph
(d) Endolymph

6. Find the correct statement about the eustachian tube
(a) connects internal ear to external ear
(b) it equalises pressure between middle ear and outer atmosphere
(c) connects middle ear to pharynx
(d) Both (b) and (c)

7. Find the correct statement about Inner ear
(a) made up of bony and membranous segments
(b) membranous labyrinth encloses bony labyrinth
(c) endolymph surrounds membranous labyrinth
(d) air-filled inner segment

8. Match the following

(a) iii, iv, i, ii
(b) i, ii, iii, iv
(c) iii, i, ii, iv
(d) i, iii, iv, ii

9. Find the incorrect match
(a) Middle ear – amplifies sound waves
(b) Hair cells – present on basilar membrane
(c) Saccule and utricle – maintain static equilibrium
(d) Cristae – perform hearing function

10. The basilar membrane is present between
(a) scala vestibule and scala media
(b) scala media and scala tympani
(c) both (a) and (b)
(d) scala vestibule and scala tympani