300+ REAL TIME NEET Biology Objective Questions & Answers 2023

300+ TOP MCQs on Parenchyma Tissue and Answers

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 Parenchyma Tissue Multiple Choice Questions

MCQs on Parenchyma Tissue :

1. Mostly, the flesh of the fruit is made of ___________.
(a) Collenchyma
(b) Meristem
(c) Collenchyma
(d) Parenchyma

Answer

Answer: (d)

2. In plants, the most common ground tissue is___________.
(a) Cortex
(b) Epidermis
(c) Collenchyma
(d) Parenchyma

Answer

Answer: (d)

3. From mature parenchyma, plant regeneration can occur as__________.
(a) there are no cell walls
(b) they are nucleate
(c) they can dedifferentiate
(d) it forms the bulk of the ground tissue

Answer

Answer: (c)

4. The plant tissues that are known for photosynthesis, secretion and storage are______.
(a) Parenchyma
(b) Collenchyma
(c) Sclerenchyma
(d) Vascular cambium

Answer

Answer: (a)

5. Simple permanent tissue that is food storing is ___________.
(a) Parenchyma
(b) Collenchyma
(c) Scleroid
(d) None

Answer

Answer: (a)

6. Which of the following statement is true about the spongy parenchyma?
(a) Round or oval loosely arranged cells
(b) Abaxially placed to palisade parenchyma
(c) Continues to the abaxial epidermis
(d) All of the above

Answer

Answer: (d)

7. Which of the following statement is true about the palisade parenchyma?
(a) Elongated cells
(b) Adaxially placed
(c) Vertically and parallelly placed
(d) All of these

Answer

Answer: (d)

8. The mesophyll of a dicot leaf is differentiated into _________.
(a) Spongy parenchyma
(b) Palisade parenchyma
(c) Prosenchyma
(d) Both (a) and (b)

Answer

Answer: (d)

9. In TS of the dicotyledonous root, the parenchymatous cells which lie between the xylem and phloem are called ________.
(a) Cortex
(b) Cambium
(c) Connective tissue
(d) Conjunctive tissue

Answer

Answer: (d)

10. Aerenchyma and chlorenchyma are types of ________.
(a) Xylem
(b) Phloem
(c) Vascular bundle
(d) Parenchyma

Answer

Answer: (d)

300+ TOP MCQs on Carbon Cycle and Answers

MCQs on Carbon Cycle :

1. This factor contributes to the carbon cycle
(a) fossil fuel combustion
(b) respiration
(c) photosynthesis
(d) all of these

Answer

Answer: (d)

2. The source of carbon to plants in the carbon cycle is
(a) fossil fuels
(b) carbonate rocks
(c) atmospheric carbon dioxide
(d) all of the above

Answer

Answer: (c)

3. The role of bacteria in the carbon cycle is
(a) Breakdown of organic compounds
(b) Chemosynthesis
(c) Photosynthesis
(d) Assimilation of nitrogen compounds

Answer

Answer: (a)

4. In the carbon cycle, the human body returns carbon to the atmosphere through this way:
(a) formation of glucose
(b) waste products
(c) photosynthesis
(d) cellular respiration

Answer

Answer: (d)

5. Respiration and photosynthesis are central to this process
(a) nitrogen cycle
(b) phosphorous cycle
(c) carbon cycle
(d) sulphur cycle

Answer

Answer: (c)

6. The difference between the phosphorous cycle and carbon cycle lies in the fact that
(a) the phosphorous cycle does not include a gaseous phase but the carbon cycle does
(b) phosphorous does not enter living entities but carbon enters
(c) the phosphorous cycle includes a solid phase, the carbon cycle does not
(d) primary reservoir of the phosphorous cycle is the atmosphere, but rocks are the primary reservoirs for carbon cycle

Answer

Answer: (a)

7. Most of the global warming is due to the perturbation of which of these cycles?
(a) Global nitrogen cycle
(b) Global carbon cycle
(c) Global water cycle
(d) All of these cycles equally contribute

Answer

Answer: (b)

8. This carbon isotope is radioactive and very rare
(a) Carbon – 11
(b) Carbon – 12
(c) Carbon – 13
(d) Carbon – 14

Answer

Answer: (d)

9. By this method, the majority of carbon moves from the lithosphere to the atmosphere
(a) erosion
(b) deposition
(c) weathering
(d) fossil fuel burning

Answer

Answer: (d)

10. These entities sequester most carbon from the atmosphere
(a) Plants
(b) Archaea
(c) Bacteria
(d) Insects

Answer

Answer: (a)

300+ TOP MCQs on Plant Taxonomy and Answers

MCQs on Plant Taxonomy :

1. Which of these is the most advanced phylogenetically among the dicotyledonous families?
(a) Scrophulariaceae
(b) Acanthaceae
(c) Umbelliferae
(d) Compositae

Answer

Answer: (d)

2. The substitute for the newly collected specimen when the original type material is missing in a herbarium is entitled as
(a) Holotype
(b) Neotype
(c) Lectotype
(d) Isotype

Answer

Answer: (b)

3. If all the puddles and ponds are destroyed, the entities likely to be destroyed are
(a) Plasmodium
(b) Ascaris
(c) Leishmania
(d) Trypanosoma

Answer

Answer: (a)

4. In the five-kingdom system of classification, into which kingdom would you classify nitrogen-fixing organisms and archaea?
(a) Fungi
(b) Plantae
(c) Protista
(d) Monera

Answer

Answer: (d)

5. This is considered as a demerit of the ‘Engler and Prantl’ in the system of classification
(a) Gymnosperms are placed between monocotyledons and dicotyledons
(b) Dicotyledons are placed after monocotyledons
(c) Dicotyledons are placed before monocotyledons
(d) Gymnosperms are placed among Dicotyledons

Answer

Answer: (b)

6. The basis of Phenetic classification is
(a) Observable characteristics of existing entities
(b) The ancestral lineage of existing organisms
(c) Dendrograms based on DNA characteristics
(d) Sexual characteristics

Answer

Answer: (a)

7. Difference between the natural system of plant classification and artificial system of classification is
(a) Considers only one vegetative character
(b) Considers all the similarities between plants
(c) Considers only one floral character
(d) All of the above

Answer

Answer: (b)

8. This system of classification was used by Linnaeus
(a) Phylogenetic system
(b) Natural system
(c) Artificial system
(d) Asexual system

Answer

Answer: (c)

9. Pick the right sequence of taxonomic categories
(a) division-class-family-tribe-order-genus-species
(b) division-class-family-order-tribe-genus-species
(c) division-class-order-family-tribe-genus-species
(d) division-order-class-family-genus-tribe-species

Answer

Answer: (c)

10. ‘New Systematics’ term was coined by
(a) Linnaeus
(b) Bentham and Hooker
(c) A.P. de Candolle
(d) Juliane Huxley

Answer

Answer: (d)

300+ TOP MCQs on Animal Cell and Answers

MCQs on Animal Cell :

1. Name the non-membrane bound organelle exclusively found only in animal cell
(a) Sphaerosome
(b) Glyoxisome
(c) Centriole
(d) Peroxisome

Answer

Answer: (c)

2. If the centromere is located at the proximity of the end of a chromosome, it is known as
(a) Acrocentric
(b) Metacentric
(c) Telocentric
(d) Submetacentric

Answer

Answer: (a)

3. Flagella, centrioles, cilia and basal bodies possess evident similar structural elements and arrangements. This can lead to this probable hypothesis
(a) Loss of basal bodies should lead to loss of all cilia, flagella, and centrioles
(b) Disruption of one of these types of the structure should necessarily disrupt each of the others as well
(c) Natural selection for motility must select for microtubular arrays in circular patterns
(d) Motor proteins such as dynein must have evolved before any of these four kinds of structure

Answer

Answer: (c)

4. In the plasma membrane of a few animals, the presence of cholesterol
(a) makes the membrane less flexible permitting it to sustain greater pressure from within the cell
(b) enables the membrane to stay fluid more easily when the temperature of the cell drops
(c) enables the animal to remove hydrogen atoms from saturated phospholipids
(d) enables the animal to add hydrogen atoms to unsaturated phospholipids

Answer

Answer: (b)

5. Component of plant cell absent in animal cell is
(a) Cytoplasm
(b) Cell membrane
(c) Cell wall
(d) Nucleus

Answer

Answer: (c)

6. The association of more than one ribosome with a single molecule of mRNA complex is known as
(a) Polysome
(b) Polypeptide
(c) Polymer
(d) Polysaccharide

Answer

Answer: (a)

7. This cell organelle is responsible to extract energy from carbohydrates to form ATP
(a) Mitochondrion
(b) Lysosome
(c) Ribosome
(d) Chloroplast

Answer

Answer: (a)

8. Balbiani rings are the sites of
(a) RNA and protein synthesis
(b) Lipid synthesis
(c) Nucleotide synthesis
(d) Polysaccharide synthesis

Answer

Answer: (a)

9. This organism is not an example of eukaryotic cells
(a) Euglena viridis
(b) Escherichia coli
(c) Amoeba proteus
(d) Paramoecium caudatum

Answer

Answer: (b)

10. The main site of different types of cellular activities is
(a) Mitochondrion
(b) Nucleus
(c) Cytoplasm
(d) Plasma membrane

Answer

Answer: (c)

300+ TOP MCQs on Regeneration and Answers

MCQs on Regeneration :

1. What is the basic principle of regeneration?
(a) two stage turbine used
(b) steam after coming out of turbine is circulated to boiler
(c) steam after coming out of condenser is circulated to boiler
(d) steam after coming out of condenser is circulated to turbine

Answer

Answer: (d)

2. Mean temperature of heat addition is ___________ due to regeneration
(a) not affected
(b) increases
(c) decreases
(d) varied exponentially

Answer

Answer: (b)

3. Ideal regenerative rankine cycle
(a) efficiency is unaffected
(b) efficiency is increased
(c) work output is increased
(d) heat supplied is increased

Answer

Answer: (b)

4. The following organs can be regenerated in echinodermata
(a) digestive system
(b) arms and disc
(c) pedicellariae
(d) eyes

Answer

Answer: (b)

5. The damaged leg is not regenerated in
(a) frog
(b) frog’s tadpole
(c) salamander
(d) crab

Answer

Answer: (a)

6. The repair by cell division in the damaged tissue is
(a) Exponential growth
(b) morphallaxis regeneration
(c) epimorphosis regeneration
(d) deaccelerating growth

Answer

Answer: (c)

7. Restorative regeneration is
(a) healing of wounds
(b) formation of a new entity from a piece of body of parent
(c) a regular process in which the dead and worn out cells of some organs are continuously replaced by new cells
(d) all of these

Answer

Answer: (c)

8. Ability to give rise to a new individual entity from body parts is
(a) Reproduction
(b) Fragmentation
(c) Regeneration
(d) Fission

Answer

Answer: (c)

9. Regeneration of a limb or tail is an example of
(a) Epimorphosis
(b) Autotomy
(c) Compensatory hypertrophy
(d) Morphallaxis

Answer

Answer: (a)

10. Epimorphosis is regeneration through
(a) repatterning of existing cells as seen in hydra
(b) reinitiation of division in existing cells, followed by patterning, as occurs in amphibians such as newts
(c) repatterning of existing cells as seen in amphibians
(d) reinitiation of embryonic growth from remaining cells as seen in Hydra

Answer

Answer: (b)

300+ TOP MCQs on Diseases Caused by Bacteria and Answers

MCQs on Diseases Caused by Bacteria :

1. Diseases caused due to the inflammation of the vermiform appendix of the digestive system is known as
(a) Appendectomy
(b) Appendicitis
(c) Intestinal cancer
(d) Amoebic dysentery

Answer

Answer: (b)

2. This set includes bacteria diseases
(a) Malaria, poliomyelitis, mumps
(b) Mumps, cholera, typhoid
(c) Plague, Leprosy, Diphtheria
(d) Measles, Tuberculosis, Tetanus

Answer

Answer: (c)

3. In Ayurveda, the disease that is called as Vishuchika is
(a) Chicken pox
(b) Smallpox
(c) Cholera
(d) Diphtheria

Answer

Answer: (c)

4. Vibrio cholerae is a motile bacteria belonging to the group of
(a) Lophotrichous
(b) Peritrichous
(c) Monotrichous
(d) Amphitrichous

Answer

Answer: (c)

5. ‘Syphilis’, a sexually transmitted diseases is caused by
(a) Vibrio
(b) Leptospira
(c) Treponema pallidum
(d) Pasteurella

Answer

Answer: (c)

6. This is a symptom of Diphtheria
(a) Bleeding gum
(b) Hydrophobia
(c) Suffocation
(d) Excessive watering

Answer

Answer: (a)

7. Widal test is used for susceptibility of
(a) Typhoid
(b) Cholera
(c) Malaria
(d) Cholera

Answer

Answer: (a)

8. “Tuberculosis” is caused by
(a) Malnutrition
(b) Protozoan
(c) Bacterium
(d) Virus

Answer

Answer: (c)

9. ‘Cholera’ is caused by
(a) Fungi
(b) Bacteria
(c) Virus
(d) Protozoan

Answer

Answer: (b)

10. ‘Leprosy’ is caused by
(a) Salmonella
(b) Mycobacterium
(c) TMV
(d) Monocystis

Answer

Answer: (b)