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 Slime Moulds Multiple Choice Questions

MCQs on Slime Moulds :

1. Slime moulds were included in which of the following kingdom?
(a) Monera
(b) Protista
(c) Fungi
(d) Plantae

Answer

Answer: (b)

2. Which of the following characteristic structure is found in slime mould?
(a) Pseudoelaters
(b) Elaters
(c) Capitulum
(d) Capillitium

Answer

Answer: (d)

3. Where does the spore formation occur in cellular slime mould?
(a) Plasmodium
(b) Sporangium
(c) Sporophore
(d) Pseudoplasmodium

Answer

Answer: (b)

4. Spores of slime moulds develop into
(a) Amoeboid cells
(b) Biflagellated cells
(c) Swarm cells
(d) All of the above

Answer

Answer: (d)

5. Which is the example of slime mould?
(a) Anabaena
(b) Rhizopus
(c) Physarum
(d) Thiobacillus

Answer

Answer: (c)

6. Slime moulds, algae, protozoa are related in having
(a) Eukaryotic cell
(b) Prokaryotic cell
(c) Flagella
(d) Pseudopodia

Answer

Answer: (a)

7. A characteristic feature of a “true slime mould” is
(a) Occurs as an independent cell
(b) A multinucleate plasmodial stage
(c) Secretes mucoidal exudate
(d) None of the above

Answer

Answer: (b)

8. Slug formation is induced by
(a) Over crowding
(b) Plentiful resources
(c) Both (a) and (b)
(d) Unfavourable conditions

Answer

Answer: (d)

9. Slime mould differ from fungi in having
(a) Phagocytosis mode of nutrition
(b) Amoeboid cells
(c) Both (a) and (b)
(d) None of the above

Answer

Answer: (c)

10. Sporangia of slime mould contain
(a) Haploid spores
(b) Diploid zygotes
(c) Gametes
(d) None of the above

Answer

Answer: (a)

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 Stress Hormones Multiple Choice Questions

MCQs on Stress Hormones :

1. This hormone is produced under condition of stress which stimulates glycogenolysis in the liver of human beings
(a) Insulin
(b) Thyroxin
(c) Estradiol
(d) Adrenaline

Answer

Answer: (d)

2. Fight or flight reactions causes the activation of
(a) the parathyroid glands, leading to increased metabolic rate
(b) adrenal medulla leading to increased secretion of epinephrine and norepinephrine
(c) pancreas leading to a reduction in the blood sugar levels
(d) the kidney, causing suppression of the renin-angiotensin-aldosterone pathway

Answer

Answer: (b)

3. After trying for several years, a couple finally learnt that they are going to have a baby. They are experiencing this type of stress
(a) Strain
(b) Anxiety
(c) Distress
(d) Eustress

Answer

Answer: (d)

4. This part of the autonomic nervous system provides the body with energy for the fight-or-flight response
(a) Central nervous system
(b) Sympathetic nervous system
(c) Peripheral nervous system
(d) Parasympathetic nervous system

Answer

Answer: (b)

5. A real or perceived challenge or threat which causes the body to produce a response is a(n)
(a) injury
(b) phobia
(c) stressor
(d) frustration

Answer

Answer: (c)

6. The hormone released by the adrenal glands allows the body to make energy more readily available from the stored nutrients
(a) ACTH
(b) Cortisol
(c) Epinephrine
(d) Norepinephrine

Answer

Answer: (b)

7. When danger or stress is perceived/experienced, this response occurs in the body
(a) Exhaustion
(b) Adaption
(c) Fight-or-flight
(d) Resistance

Answer

Answer: (c)

8. This branch of science investigates the relationship between stress and the nervous and immune systems
(a) Neurolinguistics
(b) Sociology
(c) Adaptive immunology
(d) Psychoneuroimmunology

Answer

Answer: (d)

9. All of the following is true about the hormone epinephrine except that it
(a) is released by the pituitary gland
(b) is also known as adrenaline
(c) is secreted by the adrenal gland
(d) prepares the body for action

Answer

Answer: (a)

10. The primary hormone responsible for stress-related physiological responses, such as an increase in heart rate is
(a) insulin
(b) cortisol
(c) epinephrine
(d) thyroxin

Answer

Answer: (c)

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 Parthenocarpy Multiple Choice Questions

MCQs on Parthenocarpy :

1. The process by which fruits are developed without fertilization is called _________.
(a) Apomixis
(b) Parthenocarpy
(c) Parthenogenesis
(d) Self-pollination

Answer

Answer: (b)

2. In which of the plant species, parthenocarpy takes place?
(a) Mango
(b) Banana
(c) Peach
(d) Jackfruit

Answer

Answer: (b)

3. Which of these plants will lose their economic value if its fruits are as a result of induced parthenocarpy?
(a) Banana
(b) Orange
(c) Grape
(d) Pomegranate

Answer

Answer: (d)

4. Which of the following plant hormones stimulates the development of parthenocarpic fruit?
(a) Auxin
(b) Cytokinin
(c) Gibberellins
(d) All of the above

Answer

Answer: (d)

5. Which of the following statement is false about parthenocarpy?
(a) Fruits developed are seedless
(b) The Ovary is stimulated with pollination
(c) The process is used as it yields high quality and consistency
(d) None of the above

Answer

Answer: (b)

6. The fruit in tomato is classified into _____.
(a) Pepo
(b) Pome
(c) Drupe
(d) Berry

Answer

Answer: (d)

7. Which of the following statement is false about Fabaceae?
(a) It was earlier mentioned to as Papilionoideae
(b) It is widely distributed across the world
(c) It is common to find plants with fibrous root system here
(d) It is a subfamily of family Leguminosae

Answer

Answer: (c)

8. Which of the following statement is false about Hilum?
(a) Hilum lies underneath micropyle
(b) Ccar over the seed coat
(c) Growing seeds are attached to the fruit through the hilum
(d) All of the above

Answer

Answer: (a)

9. What is the fruit of wheat and rice called?
(a) Follicle
(b) Caryopsis
(c) Siliqua
(d) Achene

Answer

Answer: (b)

10. Which of the following is not an agricultural product?
(a) Rice
(b) Jute
(c) Alum
(d) Cotton

Answer

Answer: (c)

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 Hydroponic System Multiple Choice Questions

MCQs on Hydroponic System :

1. Which of these is the fibre obtained from the coconut’s husk
(a) Perlite
(b) Vermiculture
(c) Coir
(d) Rockwool

Answer

Answer: (c)

2. The form of hydroponics that does not require a growing medium at all is
(a) Aquaculture
(b) Static solution culture
(c) Medium culture
(d) Aeroponics

Answer

Answer: (d)

3. Plants with larger roots can be cultivated with which of the following types of hydroponics
(a) Ebb and flow system
(b) Drip system
(c) Nutrient Film technique
(d) None of these

Answer

Answer: (c)

4. Hydroponics is a method of cultivation of plants without the use of
(a) water
(b) air
(c) soil
(d) sunlight

Answer

Answer: (c)

5. Which of the following is not true about hydroponics?
(a) Requires high investment
(b) Technical knowledge required
(c) Can be misused to cultivate banned crops
(d) Plants through hydroponics cannot be cultivated everywhere

Answer

Answer: (d)

6. Salts and water in hydroponic plants are absorbed by
(a) Leaves
(b) Stem
(c) Roots
(d) Outer Layer of plants

Answer

Answer: (d)

7. The scientist who used nutrient culture solution in hydroponic cultures was
(a) Knop
(b) Sachs
(c) Wallace
(d) Webster

Answer

Answer: (a)

8. Deficiency of mineral nutrition does not cause which of these
(a) Chlorosis
(b) Etiolation
(c) Necrosis
(d) Shortening internode

Answer

Answer: (b)

9. Roots of a plant in hydroponics are submerged in a solution of dissolved _________
(a) fertilizers
(b) oxygen
(c) mineral salts
(d) chemicals

Answer

Answer: (a)

10. Which of these plants may not be suitable for cultivation through hydroponics
(a) Tomatoes
(b) Carrot
(c) Cucumber
(d) Strawberries

Answer

Answer: (b)

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 Food Adulteration Multiple Choice Questions

MCQs on Food Adulteration :

1. This method dehydrates microbial cells by plasmolysis thereby causing them to die
(a) Heating
(b) Smoking
(c) Pasteurization
(d) Sugaring

Answer

Answer: (d)

2. The full form of PFA is
(a) Prevention of Food Act
(b) Protection of Food Act
(c) Prevention of Food Adulteration
(d) None of the above is correct

Answer

Answer: (c)

3. The preservation of food through ‘ Cold sterilization’ involves
(a) Dehydration
(b) Lyophilization
(c) Refrigeration
(d) Radiation

Answer

Answer: (d)

4. This is an example of biological hazard
(a) Cleaners
(b) Antibiotics
(c) Salmonella
(d) Dirt

Answer

Answer: (c)

5. Under the PFA Act, when is the food said to be adulterated
(a) if any ingredient is injurious to health
(b) if it is obtained from a diseased animal
(c) if spices are sold without their essence
(d) all of these

Answer

Answer: (d)

6. This statement about Potassium Bromate is/are true

1. Potassium Bromate is a category 2B carcinogen
2. Potassium Bromate increases dough strength, leads to higher rising and uniform finish to baked products
3. Food Safety and Standards Authority of India (FSSAI) allows them upto 50 parts per million

(a) 1,2
(b) 1,3
(c) 2,3
(d) All of these

Answer

Answer: (d)

7. HACCP stands for
(a) Physical, Chemical and Biological hazards
(b) Accurately monitoring food hygiene hazards
(c) Identifying CCPs, inclusive of procedure, location and process
(d) A systematic analysis of all steps and regular monitoring of control points

Answer

Answer: (d)

8. Pasteurization is the process of healing milk
(a) above 1500C
(b) above 1210C
(c) above boiling point
(d) below boiling point

Answer

Answer: (d)

9. This reason shows the impact of adulteration on the economy
(a) Adulteration -> People falling sick -> court cases
(b) Adulteration -> People falling sick ->spending money on treatment
(c) Adulteration -> People falling sick ->spending money on treatment or court cases
(d) None of these

Answer

Answer: (c)

10. This is an adulterant
(a) Pesticides
(b) Urea
(c) Iron filings in tea
(d) All of the above

Answer

Answer: (d)

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 Yeast and Albugo Multiple Choice Questions

MCQs on Yeast and Albugo :

1. Yeast produces an enzyme complex which is responsible for fermentation. Which is the enzyme complex?
(a) Zymase
(b) Dehydrogenase
(c) Aldolase
(d) Invertase

Answer

Answer: (a)

2. In yeast, the sexual reproduction is by conjugation. After fusion, the zygotic nucleus divides meiotically and forms haploid spores. The unicellular structure with haploid spores is
(a) Gametangium
(b) Zoosporangium
(c) Sporangium
(d) Ascus

Answer

Answer: (a)

3. The antibiotic obtained from the yeast is
(a) Saccharin
(b) Ephedrine
(c) Polymixin
(d) Campestrin

Answer

Answer: (b)

4. In manufacture of bread, it becomes porous due to the liberation of CO₂ by the action of
(a) Yeast
(b) Virus
(c) Protozoans
(d) Bacteria

Answer

Answer: (a)

5. The food reserve in Albugo usually is
(a) Fat
(b) Protein granules
(c) Glycogen
(d) Volutin granules

Answer

Answer: (c)

6. This statement on Albugo is incorrect
(a) Non-flagellated female gametes
(b) Biflagellated zoospores
(c) Biflagellated male gametes
(d) All of these

Answer

Answer: (c)

7. The species causing white rust of cruciferae has a botanical name, it is
(a) Pythium debaryanum
(b) Peronospora parasitica
(c) Albugo candida
(d) Puccinia graminis

Answer

Answer: (c)

8. Yeast is not included in protozoans but in fungi because
(a) it has eukaryotic organization
(b) cell wall is made up of cellulose and reserve food material as starch
(c) Some fungal hyphae grow in such a way that they give the appearance of pseudomycelium
(d) it has no chlorophyll

Answer

Answer: (c)

9. This is used in the preparation of alcohol
(a) Saccharomyces
(b) Acetobacter
(c) Lactobacillus
(d) Penicillium

Answer

Answer: (a)

10. Fungus without mycelium is
(a) Agaricus
(b) Albugo
(c) Puccinia
(d) Saccharomyces

Answer

Answer: (d)