300+ REAL TIME NEET Biology Objective Questions & Answers 2023

300+ TOP MCQs on Lipids 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 Lipids Multiple Choice Questions

MCQs on Lipids :

1. This molecule acts as molecular chaperones to assist the folding of proteins
(a) Vitamins
(b) Carbohydrates
(c) Amides
(d) Lipids

Answer

Answer: (d)

2. Which of these is not a lipid?
(a) Fats
(b) Oils
(c) Proteins
(d) Waxes

Answer

Answer: (c)

3. The abundantly distributed enzyme in germinating seeds and adipocytes is
(a) Lipase
(b) Proteases
(c) Cellulase
(d) Nuclease

Answer

Answer: (a)

4. Beta-oxidation of fatty acids occurs in
(a) Peroxisome
(b) Peroxisome and Mitochondria
(c) Mitochondria
(d) Peroxisome, Mitochindria and ER

Answer

Answer: (c)

5. An example of ____________ is Carnauba wax
(a) Soft wax
(b) Liquid wax
(c) Hard wax
(d) Archaebacterial wax

Answer

Answer: (c)

6. In fats, the number of OH groups can be expressed as
(a) Reichert-Meissil number
(b) Polenske number
(c) Iodine number
(d) Acetyl number

Answer

Answer: (d)

7. Rancidity of lipids of lipid-rich foodstuff is because of
(a) Reduction of fatty acids
(b) Hydrogenation of unsaturated fatty acids
(c) Dehydrogenation of saturated fatty acids
(d) Oxidation of fatty acids

Answer

Answer: (d)

8. This is an example of derived lipids
(a) Terpenes
(b) Steroids
(c) Carotenoids
(d) All of the above

Answer

Answer: (d)

9. The degree of unsaturation of lipids can be measured as
(a) Iodine number
(b) Saponification number
(c) Reichert Meissel number
(d) Polenske number

Answer

Answer: (a)

10. The specific gravity of lipid is
(a) 1.5
(b) 1.0
(c) 0.8
(d) 0.2

Answer

Answer: (c)

300+ TOP MCQs on Osmoregulation and Answers

MCQs on Osmoregulation :

1. In Paramoecium, osmoregulation is a function of
(a) cytostome
(b) contractile vacuole
(c) cytopyge
(d) trichocysts

Answer

Answer: (b)

2. Osmoregulators carry out excretion of salt through
(a) gills
(b) fins
(c) scales
(d) bladder

Answer

Answer: (a)

3. Without restoration, if excess water passes out from the tissues of kidney, the cells would
(a) shrivel and die
(b) burst open and die
(c) not get affected at all
(d) take water from plasma

Answer

Answer: (c)

4. This is used as an osmolyte in humans to increase medullary interstitial osmolality during concentration of urine
(a) Urea
(b) TMAO
(c) (a) and (b) both
(d) Uric acid

Answer

Answer: (a)

5. A person on a long hunger strike, surviving only on water will have
(a) less amino acids in his urine
(b) more sodium in hir urine
(c) less urea in his urine
(d) more glucose in his blood

Answer

Answer: (c)

6. Mechanism of regulation, typically between entities and its environment of solutes and the loss and gain of water is known as
(a) Homeostasis
(b) Thermoregulation
(c) Hemostasis
(d) Osmoregulation

Answer

Answer: (d)

7. Most of the marine invertebrates are
(a) Osmoregulators
(b) Osmoconformers
(c) both depend on sea water concentration
(d) None of the above

Answer

Answer: (b)

8. Kidney matrix retains some quantity of urea to maintain
(a) metabolism
(b) micturition
(c) desired osmolarity
(d) balance of the body

Answer

Answer: (c)

9. This is not a primary function of protonephridia
(a) excretion
(b) osmoregulation
(c) fluid volume regulation
(d) ionic volume regulation

Answer

Answer: (a)

10.This is both osmoregulator and a nitrogenous product
(a) Uric acid
(b) Urea
(c) NH₃
(d) All of the above

Answer

Answer: (b)

300+ TOP MCQs on Energy Requirement and Answers

MCQs on Energy Requirement :

1. The energy balance in nutrition refers to the
(a) equilibrium between energy intake and energy expenditure
(b) equilibrium of rate of reduction
(c) equation of rate of oxidation
(d) amount of starch in take

Answer

Answer: (a)

2. This provides the greatest energy value per gram of nutrient
(a) protein
(b) fat
(c) carbohydrate
(d) water

Answer

Answer: (b)

3. The following cooking processes does not rely on coagulation taking place
(a) making yoghurt
(b) boiling an egg
(c) whipping cream
(d) frying chips

Answer

Answer: (d)

4. The everyday dietary requirement of an average adult active moderately is approximately
(a) 1000 kcal
(b) 2500 kcal
(c) 4000 kcal
(d) 8000 kcal

Answer

Answer: (b)

5. Caloric values for proteins, carbohydrates and fats are
(a) 80 cal, 40 cal, and 100 cal respectively
(b) 5.65 cal, 4.1 cal, and 9.45 cal respectively
(c) 100 cal, 5.68 cal, and 30 cal respectively
(d) 4.68 cal, 50 cal and 80 cal respectively

Answer

Answer: (b)

6. Among the energy values of nutrients, 9.3 calories is that of
(a) Carbohydrate
(b) Proteins
(c) Vitamins
(d) Fats

Answer

Answer: (d)

7. What is the sequence in which organic compounds are used by the body during prolonged fasting
(a) Carbohydrates first, proteins and then lipids
(b) Carbohydrates first, proteins and then lipids
(c) Proteins first, lipids and then carbohydrates
(d) Fats first, carbohydrates and then proteins

Answer

Answer: (b)

8. An approximate of how much protein does an average adult male require each day?
(a) 240g
(b) 24g
(c) 120g
(d) 72g

Answer

Answer: (d)

9. Mammals can drink water and also derive it from
(a) conversion of oxyhaemoglobin to haemoglobin
(b) breakdown of glycogen into glucose
(c) glucose oxidation
(d) saliva secretion

Answer

Answer: (c)

10. Cooking starch in moist conditions may
(a) oxidize it
(b) caramelize it
(c) gelatinise it
(d) coagulate it

Answer

Answer: (a)

300+ TOP MCQs on Pancreas and Answers

MCQs on Pancreas :

1. Inhibition of gastric secretions is brought about by
(a) GIP
(b) Cholecystokinin
(c) Gastrin
(d) Pancreozymin

Answer

Answer: (a)

2. One of the constituents of the pancreatic juice while poured into the duodenum in humans is
(a) trypsin
(b) enterokinase
(c) trypsinogen
(d) chymotrypsin

Answer

Answer: (c)

3. Pancreatitis can be produced by the following drug
(a) Ciprofloxacin
(b) Nalidixic acid
(c) Colchicine
(d) L-Asparaginase

Answer

Answer: (d)

4. Gasless abdomen in X-ray is a sign of
(a) Ulcerative colitis
(b) Acute pancreatitis
(c) Intussusception
(d) Necrotizing enterocolitis

Answer

Answer: (b)

5. This is a major product of chief cells
(a) Mucus
(b) Vitamin B12
(c) Pepsinogen
(d) HCl

Answer

Answer: (c)

6. The islets of Langerhans are found in
(a) Stomach
(b) Alimentary canal
(c) Pancreas
(d) Liver

Answer

Answer: (c)

7. Secretion of pancreatic juice is triggered by
(a) secretin
(b) enterogastrone
(c) gastrin
(d) enterokinase

Answer

Answer: (a)

8. This is a common passage for bile and pancreatic juice
(a) stomach
(b) ampulla
(c) duct of oddi
(d) duct of wirsung

Answer

Answer: (b)

9. Pancreas is not
(a) Elongated organ
(b) Compound
(c) Exocrine portion secretes pancreatic juice
(d) Located above duodenum

Answer

Answer: (d)

10. This is most diagnostic investigation for acute pancreatitis
(a) Serum LDH
(b) Serum amylase
(c) Serum Lipase
(d) Serum P-isoamylase

Answer

Answer: (c)

300+ TOP MCQs on Tissue Culture and Answers

MCQs on Tissue Culture :

1. In plant tissue culture medium, Agar is a gelling agent This about agar is incorrect.
(a) remains stable at incubation temperature
(b) does not react with media constituents
(c) does not use in micropropagation work
(d) not digested by plant enzymes

Answer

Answer: (c)

2. In tissue culture system, this is the main effect of cytokines
(a) shoot elongation
(b) adventitious root formation
(c) induction of somatic embryos
(d) adventitious shoot formation

Answer

Answer: (d)

3. This is not a basic component of culture media for plant cultivation
(a) amino acids
(b) sucrose/sugar
(c) complex mixture of salts
(d) serum albumin

Answer

Answer: (d)

4. This plant propagation method uses girdling
(a) cuttings
(b) grafting
(c) layering
(d) both (a) and (b)

Answer

Answer: (c)

5. The ability of single cells to divide and produce all differentiated cells in the entity
(a) Totipotency
(b) Multipotent
(c) Pluripotent
(d) Unipotent

Answer

Answer: (a)

6. This is the first transgenic crop
(a) flax
(b) tobacco
(c) plastic
(d) cotton

Answer

Answer: (b)

7. This is not a feature of plant cells
(a) consists of plastids
(b) cell wall outside cell membrane
(c) presence of centrioles
(d) cell-cell communication through plasmodesmata

Answer

Answer: (c)

8. This is a superbug
(a) virus
(b) bacteria
(c) transgenic plant
(d) worms

Answer

Answer: (b)

9. This is cellular totipotency property
(a) plants
(b) animals
(c) virus
(d) none of the above

Answer

Answer: (a)

10. Growth of plant tissues in artificial media is
(a) cell hybridization
(b) plant tissue culture
(c) transgenesis
(d) gene expression

Answer

Answer: (b)

300+ TOP MCQs on Famine and Answers

MCQs on Famine :

1. The condition wherein there is no enough food in a region to feed people is known as
(a) drought
(b) famine
(c) monsoon
(d) thunderstorm

Answer

Answer: (b)

2. The unequal distribution of food, droughts, increased population and flooding are as a result of
(a) malaria
(b) dengue fever
(c) famine
(d) typhoid

Answer

Answer: (c)

3. Self-starvation in purging type anorexia nervosa/binge-eating is linked with
(a) eating only certain food types
(b) not being bothered about weight gain
(c) not eating to help control weight gain
(d) regularly engaging in purging activities to help control weight gain

Answer

Answer: (d)

4. When a person goes hungry for a long period of time they can:
(a) Be more prone to disease
(b) be stunted in height
(c) Affects brain functioning
(d) All of these

Answer

Answer: (d)

5. Vitamin A deficiency can affect upto these many children in the middle and low income areas
(a) 1/2
(b) 1/3
(c) 1/4
(d) 1/8

Answer

Answer: (b)

6. The ‘WFP’ stands for
(a) World Food Program
(b) Wild Fire Protection
(c) Wild Fauna Protection
(d) Wild Food Program

Answer

Answer: (a)

7. Individuals with bulimia have a perceived lack of control on their eating pattern often reporting to which of these?
(a) Low self-esteem
(b) High levels of self-disgust
(c) High levels of depression
(d) All of these

Answer

Answer: (d)

8. The lesions to which part of the brain in animal research have been shown to cause appetite loss leading to self-starvation syndrome
(a) Amygdala
(b) Cerebellum
(c) Basal ganglia
(d) lateral hypothalamus

Answer

Answer: (d)

9. The Body Mass Index(BMI) measure depicts that one can be considered as overweight with a BMI of:
(a) 45-59.9
(b) 25-29.9
(c) 20.9-30.9
(d) 55-69.9

Answer

Answer: (b)

10. In the event of starvation, after consumption of glycogen and fats, the next nutrient that is to be consumed is
(a) starch
(b) cellulose
(c) proteins
(d) adenosine triphosphate

Answer

Answer: (c)