22339 + Interview Questions in Biology in Class 11 Page 335 InterviewSolution

16701.	Question : Hydrilla and Vallisneria are the examples of ...................... type of aquatic plant
Answer» Emergent free FLOATING SUBMERGED mangroves SOLUTION :submerged

Discussion

16702.	Question : Hyderabad Biodiversity conderence was held in
Answer» 41183 41579 42278 42675 Answer :A

Discussion

16703.	Question : Hydra is a diploblastic animal.
Answer» ANSWER :T

Discussion

16704.	Question : Hydra canparalyse prey by
Answer» NEMATOCYSTS TENTACLES MOUTH NONE of these ANSWER :A

Discussion

16705.	Question : Hydathode has
Answer» SUBSIDIARY CELLS Accessory cell Complementary cells Epithem Answer :D

Discussion

16706.	Question : Hyaluronicacidis a heteropolysaccharideand has actyl glucosamine+ gulcoronic acid. In is a cementing material andfound in
Answer» ovum and SYNOVIAL fuild vitreous HUMOUR skin ALLOF the above ANSWER :D

Discussion

16707.	Question : Hyaline cartilage :
Answer» Solution :LOCATION : PRESENT in Bronchi, outer EAR joints, larynx.Function : Provides FLEXIBILITY and support, facilitating smooth movements

Discussion

16708.	Question : Hyaline cap in Amoeba is formed
Answer» AROUND food vacuole Around CONTRACTILE vacuole Around nucleus In front of pseudopodium Solution :Pseudopodium at its forward end gets its film CONSISTENCY by HYALINE cap which is made of ectoplasm.

Discussion

16709.	Question : Hundred zygospores alternate with empty cells in Spirogyra in conjugation. The total number of daughter filaments formed will be
Answer» Scalariform, 400 LATERAL, 100 Lateral, 400 Scalariform, 100 ANSWER :B

Discussion

16710.	Question : Humus feeders are ............. worms.
Answer» SOLUTION :BURROWING

Discussion

16711.	Question : Humus decomposition retards with
Answer» HIGH oxygen High lignin High temperature High nitrogen Answer :B

Discussion

16712.	Question : Humerus with its rounded upper end (head) articulates into
Answer» acromion PROCESS deltoid CAVITY glenoid cavity acetabulum. Solution :UPPER rounded end of the humerus (bone of arm) is CALLED head that articulates into the glenoid cavity of the pectoral GIRDLE (shoulder girdle).

Discussion

16713.	Question : State one difference in each of the following pairs on the basis o the what is indicated in brackets. a) Glenoid cavity and acetabulum (location and function) b) Osteoarthritis and Gout (cause)
Answer» BALL and SOCKET joint pivot joint peg and socket joint condyloid join Answer :A

Discussion

16714.	Question : Humerus, radius and ___bones are found in the forearm.
Answer» ANSWER :ULNA

Discussion

16715.	Question : Humerus bone is found:
Answer» RADIAS Ulna ARM Fore arm Solution :Arm

Discussion

16716.	Question : Humerus articulates with the
Answer» HIND limb tibio-fibula pelvic girdle radio-ulna

Discussion

16717.	Question : Humans have to maintain the moderate respiratory rhythms to suit the demands of the body. For fulfilling that purpose, we have the Respiratory rhytm centre in medulla =R Pneumotaxic centre in pons =PT Chemosensitive area in medulla =C_(1) Peripheral chmoreceptors in aortic arch and Carotid artery =C_(2) Select the correct path for the regulation of respiration.
Answer» `C_(1)to underset(R)underset(UARR)(PT)to C_(2)` `PTto underset(R)underset(uarr)(C_(2))to C_(1)` `PT to underset(C_(1))underset(uarr)(R)to C_(2)` `C_(2)R to PT to C_(1)` Answer :C

Discussion

16718.	Question : Humans have which type of teeth ? (A) Acrodont (B) Thecodont (C) Diphyodont (D) Monophyodont
Answer» Acrodont Thecodont Diphyodont Monophyodont Answer :B

Discussion

16719.	Question : Humans have gametic meiosis/zygotic meiosis.
Answer» SOLUTION :Gametic MEIOSIS

Discussion

16720.	Question : Human vertebral column consists of 33 vertebrae and ____________bones.
Answer» 33 26 27 29 Solution :Theoretically, human VERTEBRAL column consists of 33 vertebrae -7 cervical, 12 thoracic 5 lumbar, 5 SACRAL and 4 coccygeal. However, it consists of 26 BONES as five sacral vertebrae fuse to form ONE sacrum and four coccygeal vertebrae fuse to form one coccyx.

Discussion

16721.	Question : Human vertebral colunm is formed by
Answer» 21 vertebrae 30 vertebrae 26 vertebrae 33 vertebrae Answer :D

Discussion

16722.	Question : Human urine is usually acidic because, ...
Answer» hydrogen ions are activity secreted into the FILTRATE the SODIUM transporter exchanges one hydrogen ion for each sodium ion, in peritubular capillaries excreted plasma proteins are acidic potassium and sodium EXCHANGE GENERATES ACIDITY Solution :hydrogen ions are activity secreted into the filtrate

Discussion

16723.	Question : Human skeleton has 207 bones.
Answer» ANSWER :F

Discussion

16724.	Question : Human skeleton has 206 bones.
Answer» ANSWER :TRUE

Discussion

16725.	Question : Human skeleton has 206 bones.[A] True[B]False
Answer» ANSWER :TRUE

Discussion

16726.	Question : true or false,Human skeleton has 206 bones.
Answer» ANSWER :TRUE

Discussion

16727.	Question : Human skeleton consists of
Answer» 200 BONES 106 bones 300 bones 206 bones

Discussion

16728.	Question : Human proteins can be produced in the milk or semen of farm animals. True and false ?
Answer» true False, proteins cannot be PRODUCED in milk False, proteins cannot be produced in semen False, ANIMALS are not used for proteins production Answer :A

Discussion

16729.	Question : Human intestine is large because.....
Answer» Bacteria in the FOOD MOVES slowly Substances of food digest slowly It provide more space for the absorption of digested food It provide more space for the STORAGE of food SOLUTION :N/A

Discussion

16730.	Question : Human Genome was sequenced in "_________"
Answer» 1979 2015 1989 2001 Answer :D

Discussion

16731.	Question : Human Genome Project can aim at a 'Perfect Race'.
Answer» Solution :Human Genome Project has identified all the genes in Human DNA and can create lot of possibilities for NEW gene therapies. Attempts will be made of "BREED out" certain genes from the human POPULATION with the aim to create a "Perfect race" of HUMANS. This can have lot of disastrous consequences.

Discussion

16732.	Question : Human genome is approximately said to have "_________" base pairs.
Answer» 3`xx10^(8)`bp 3.4`xx10^(9)`bp 3.2`xx10^(7)` bp 3 .3 `XX 10^(9)` bp Answer :d

Discussion

16733.	Question : Human exploitation of forests, oceans etc leads to ____
Answer» CHROMOSOMAL mutations Artificial Selection Gene recombination Natural selection Answer :B

Discussion

16734.	Question : Human eyeball consists of three layers and it encloses
Answer» lens, IRIS , OPTIC nerve lens, aqueous HUMOR and vitreous humor cornea, lens, iris cornea, lens, optic nerve. Solution :NA

Discussion

16735.	Question : Human ear ossicles are
Answer» INCUS and stapes stapes malleus, incus and stapes incus and mallecus

Discussion

16736.	Question : Human brain is formed of a large number of parts like cerebrum, thalamus, hypothalamus, pons, cerebellum and medulla oblongata. Each part performs some specialized function and all the parts are essential for the survival of a person. Discuss the following statements : (a) Thalami are called relay centres of the brain. (b) Damage to medulla may cause the death of organism.
Answer» Solution :(a) Thalamus is composed of grey mater which serves as a relay CENTRE for impulses between the spinal cord, BRAIN stem and CEREBRUM. Thus acting as a major coordinating centre for sensory and motor signaling. Within the thalamus, information is sorted and EDITED and plays a key role in learning and memory. (b) Medulla contains vital CENTRES that control cardio vascular reflexes, respiration and gastric secretions. Therefore, damage to medulla may cause the death of an organism.

Discussion

16737.	Question : Human body temperature is maintained by
Answer» hypothalamus medulla oblongata pituitary cerebral cortex Solution :Hypothalamus is a PART of forebrain. It is the thermoregulatory centre of the brain.It keeps body TEMPERATURE at roughly `37^@ C` by means of a COMPLEX thermostat system.

Discussion

16738.	Question : Human beings were since long, not only interested in knowing more about different kinds of organisms and their diersities, but also the relationship among them. This branch of study is referred to as
Answer» Classification Systematics Taxonomy All of the above Answer :B

Discussion

16739.	Question : Human beings have a significant ability to maintain and moderate the respiratory rhythm to suit demands of the body. For it we have Respiratory rhythm centre in medulla -R Pneumotaxic centre in pons -RT Chemosentsitive area in medulla -C_(1) Peripheral chemoreceptors in aortic archand carotid artery -C_(2) Find out the correct path for regulation of respiration.
Answer» `C_(2) rarr R rarr PT rarr C_(1)` `PTto underset(C_(1))underset(uarr)(R) larr C_(2)` `C_(1) to underset(R)underset(uarr)(PT)to C_(2)` `PT to underset(R)underset(uarr)(C_(2)) to C_(1)` SOLUTION :N//A

Discussion

16740.	Question : Human beings have a significant ability to maintain and moderate the respiratory rhythm to suit the demands of the body tissues. This is done by the
Answer» NEURAL SYSTEM Endocrine system Both A and B Pulmonary system Solution :HUMAN beings have a signiticant ability to MAINTAIN and moderate the respiratory RHYTHM to suit the demands of the body tissues. This is done by the neural system.

Discussion

16741.	Question : Human activities have significantly influenced
Answer» CARBON CYCLE NITROGEN cycle Water cycle Phosphorus cycle Answer :A

Discussion

16742.	Question : hree students described the floral characters of a plant belonging to family Liliaceae. One of them described correctly and the others two were wrong. Who was correct and which characters were described wrong by the other two ? Student A : Tetramerous, actinomorphic, polyphyllus, unilocular ovary, axile placentation. Student B : Trimerous, actinomorphic, polyandrous, superior ovary, axile placentation Student C : Trimerous, zygomorphic, gamophyllus, inferior ovary, marginal placentation.
Answer» Solution :Student B gave the correct description of the FAMILY liliaceae STUDENTS A and C were wrong. Student A has written tetramerous and UNILOCULAR ovary Student C has written ZYGOMORPHIC inferior ovary and marginal placentation.

Discussion

16743.	Question : Huge diversity in sporophytic plant body is seen in
Answer» Algae Gymnosperms PTERIDOPHYTES BRYOPHYTES ANSWER :C

Discussion

16744.	Question : How you can define the term 'cell"?
Answer» SOLUTION :A unit of biological ACTIVITY DELIMITED by a semipermeable membrane and capable of selfreproduction in a medium free of other living SYSTEMS.

Discussion

16745.	Question : How would you identify the gametophytic plant body of liverwort.
Answer» SOLUTION :Livewort like Marchantia BEAR thallus like structure on which sex ORGANS are BORNE .

Discussion

16746.	Question : How would you distinguish the vascular bundle of a monocot stem from that of a dicot stem?
Answer» SOLUTION :Vascular BUNDLES are closed in MONOCOT STEMS, whereas they are open in dicot stems.

Discussion

16747.	Question : How would you differentiate leaflets of a compound leaf from simple leaves of a branch ? Give an example of a plant with bipinnate leaves.
Answer» SOLUTION :Differences between the leaflets of a compound leaf and a SIMPLE leaf are as FOLLOWS : An example of a plant with bipinnate leaves is MIMOSA pudica (Sensitive plant).

Discussion

16748.	Question : How would you define the term 'taxonomic key' ? Name two types of keys.
Answer» SOLUTION :The term 'taxonomic key' REFERS to a set of ALTERNATE char-acters in such a manner.that helps in the identification of plants and animals by selecting and eliminating the characters according to their presence or absence in the ORGANISM under study. The taxonomic keys are of two types - 1. Yoked or Indented key 2. Bracketed key

Discussion

16749.	Question : How would digestion of food be affected if the bile duct is completely blocked? Explain.
Answer» Solution :BILE juice contains : (i) Bile salts which emulsify the fats and increase surface area for the digestion of fats by lipases. (ii) Sodium bicarbonate which provides alkaline medium for the action of PANCREATIC and intestinal enzymes. Bile juice is secreted by the liver and reaches the small intestine through bile DUCT. If bile duct is blocked then there will be no PROPER digestion of fats as well as other food components.

Discussion

16750.	Question : How will you interpret an electrocardiogram (ECG) in which time take in QRS complex is higher ?
Answer» Solution :QRS complex shows depolarixation of ventricles. Thst starts contraction of ventricle or ventricular contraction. In normal ECGntime of QRS complex is 0.12 seconds. Big waves of Q and R shows possibility of heart attack S-T PART gets EXTENDED in this CONDITION ehile muscle get less AMOUNT of oxygen `(O_(2))`.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Hydrilla and Vallisneria are the examples of ...................... type of aquatic plant

Question : Hyderabad Biodiversity conderence was held in

Question : Hydra is a diploblastic animal.

Question : Hydra canparalyse prey by

Question : Hydathode has

Question : Hyaluronicacidis a heteropolysaccharideand has actyl glucosamine+ gulcoronic acid. In is a cementing material andfound in

Question : Hyaline cartilage :

Question : Hyaline cap in Amoeba is formed

Question : Hundred zygospores alternate with empty cells in Spirogyra in conjugation. The total number of daughter filaments formed will be

Question : Humus feeders are ............. worms.

Question : Humus decomposition retards with

Question : Humerus with its rounded upper end (head) articulates into

Question : State one difference in each of the following pairs on the basis o the what is indicated in brackets. a) Glenoid cavity and acetabulum (location and function) b) Osteoarthritis and Gout (cause)

Question : Humerus, radius and ___bones are found in the forearm.

Question : Humerus bone is found:

Question : Humerus articulates with the

Question : Humans have which type of teeth ? (A) Acrodont (B) Thecodont (C) Diphyodont (D) Monophyodont

Question : Humans have gametic meiosis/zygotic meiosis.

Question : Human vertebral column consists of 33 vertebrae and ____________bones.

Question : Human vertebral colunm is formed by

Question : Human urine is usually acidic because, ...

Question : Human skeleton has 207 bones.

Question : Human skeleton has 206 bones.

Question : Human skeleton has 206 bones.[A] True[B]False

Question : true or false,Human skeleton has 206 bones.

Question : Human skeleton consists of

Question : Human proteins can be produced in the milk or semen of farm animals. True and false ?

Question : Human intestine is large because.....

Question : Human Genome was sequenced in "_________"

Question : Human Genome Project can aim at a 'Perfect Race'.

Question : Human genome is approximately said to have "_________" base pairs.

Question : Human exploitation of forests, oceans etc leads to ____

Question : Human eyeball consists of three layers and it encloses

Question : Human ear ossicles are

Question : Human body temperature is maintained by

Question : Human beings were since long, not only interested in knowing more about different kinds of organisms and their diersities, but also the relationship among them. This branch of study is referred to as

Question : Human beings have a significant ability to maintain and moderate the respiratory rhythm to suit the demands of the body tissues. This is done by the

Question : Human activities have significantly influenced

Question : Huge diversity in sporophytic plant body is seen in

Question : How you can define the term 'cell"?

Question : How would you identify the gametophytic plant body of liverwort.

Question : How would you distinguish the vascular bundle of a monocot stem from that of a dicot stem?

Question : How would you differentiate leaflets of a compound leaf from simple leaves of a branch ? Give an example of a plant with bipinnate leaves.

Question : How would you define the term 'taxonomic key' ? Name two types of keys.

Question : How would digestion of food be affected if the bile duct is completely blocked? Explain.

Question : How will you interpret an electrocardiogram (ECG) in which time take in QRS complex is higher ?