22339 + Interview Questions in Biology in Class 11 Page 394 InterviewSolution

19651.	Question : Chlorophyll 'a' is the primary pigment for the ligh reaction. What are accessory pigments ? What is their role is photosynthesis ?
Answer» Solution :Chlorophyll (b), Xanthophyll and carotenoids are accessory pigmets. They are not associated with STIMULATION of electrons. But they absorb solar ENERGY and CONCENTRATE it TOWARDS chlorophyll-a. Chlorophyll-a absorts maximum radiation of blue and red colour so it is called a main PIGMENT while chlorophyll-b, Xanthophyll and carotenoids are called accessory pigments.

Discussion

19652.	Question : Chlorophyll a : Blue green : : chlorophyll b : …….
Answer» ANSWER :YELLOW GREEN

Discussion

19653.	Question : Chlorophyll a and b have the same structure except that Chla has "_____________" group while Chl b has group in side chain.
Answer» SOLUTION : METHYL GROUP` (- CH _(3)),` ALDEHYDE group `(- CHO)`

Discussion

19654.	Question :Chlorophyll a bears methyl/formyl group at carbon 3.
Answer» SOLUTION : METHYL,

Discussion

19655.	Question : Chlorophyceae members are called as green algae because they appear green coloured due to the presence of
Answer» CHLOROPHYLL a Chlorophyll B Chlorophyll a and b Chlorophyll a, b, C, d Answer :C

Discussion

19656.	Question : Chlorophycae includes_________algae while phaeophyceae includes_________algae.
Answer» SOLUTION :GREEN, BROWN

Discussion

19657.	Question : Chloride shift occurs in response to:
Answer» `HCO_(3)^(-)` `K^(+)` `K^(+)` `NA^(+)`

Discussion

19658.	Question : Chloride shift is required for transport of
Answer» Nitrogen Oxygen CARBON DIOXIDE Carbon dioxide and oxygen Solution :Carbon dioxide

Discussion

19659.	Question : Chlorenchyma is a type of parenchyma.
Answer» SOLUTION :Cells of CHLORENCHYMA are chlorophyll CONTAINING parenchymatous cells. It consists MAINLY of thin walled cells.

Discussion

19660.	Question : Chlorenchyma is known to develop in
Answer» Cytoplasm of Chlorella Mycelium of a GREEN mould like Aspergillus Spore capsule of a moss Pollen TUBE of Pinus Answer :C

Discussion

19661.	Question : Chloralla and spirulina which are grown to harvest SCP are
Answer» Unicellular green ALGA and FILAMENTOUS blue green alga respectively Filamentous blue green alga and unicellular green alga respectively Baker's YEAST and TORULA yeast respectively Filamentous fungus and unicellular fungus respectively Answer :A

Discussion

19662.	Question : Chlamydomonas is motile.
Answer» Solution :On anterior end of Chlamydomonas TWO FLAGELLA are PRESENT which makes it MOTILE .

Discussion

19663.	Question : Chlamydomonas sps show
Answer» Isogamy Anisogamy Oogamy All the above Answer :D

Discussion

19664.	Question : Chitinous cell wall and glycogen as reserve food are characteristic of this kingdom
Answer» Plantae Eubacteria Monera Fungi Answer :D

Discussion

19665.	Question : Chitinous exoskeleton is present in
Answer» ROUNDWORMS insects LEECHES SNAILS ANSWER :B

Discussion

19666.	Question : Chitin is a polysaccharide found in the ..................... of crabs and prawn etc.
Answer» SOLUTION :EXOSKELETON

Discussion

19667.	Question : Chiropterophily means
Answer» POLLINATION by snails pollination by bats pollination by wind pollination by INSECTS ANSWER :B

Discussion

19668.	Question : Chipko Andolan (Movement) which was started in 1973 in Garhwal//Himalayas (Gopeshwar) near Alaknanda river was for the first time initiated by
Answer» CHANDI PRASAD Bhatt Sunder LAL Bahuguna Baba Amte Vinoba BHAVE SOLUTION :N//A

Discussion

19669.	Question : Chief producers in the oceans are
Answer» GREEN ALGAE Diatoms Euglenoids BLUE green algae Answer :B

Discussion

19670.	Question : Chilgozas are the seeds of
Answer» a monocot a dicot conifer false FRUIT

Discussion

19671.	Question : Chief food conducting cells of phloem in gymnosperm are
Answer» SIEVE CELLS Sieve TUBES COMPANION cells Sieve TUBE elements Answer :A

Discussion

19672.	Question : Chickenpox is a viral disease caused by
Answer» HERPES simplex Varicella Herpes zoster Echovirus ANSWER :B

Discussion

19673.	Question : Chiasmata are most appropriately observed in meiosis during
Answer» diakinesis diplotene metaphase-II pachytene Answer :B

Discussion

19674.	Question : Chiasmata are formed during meiosis :
Answer» before METAPHASE I during metaphase II during PROPHASE Il after metaphase Answer :A

Discussion

19675.	Question : Chemosynthesis bacteria obtain energy from
Answer» sun infrared rays organic substances inorganic chemicals Solution :`(H_(2)S, NO_(2) "ETC")`.

Discussion

19676.	Question : Chemosmosis requires
Answer» Membrane Protonn pump Proton gradient All of these Answer :D

Discussion

19677.	Question : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on
Answer» MEMBRANE potential Accumulation of NA ions Accumulation of `K^(+)` ions Proton gradient Answer :D

Discussion

19678.	Question : Chemiosmotic theory was proposed by_____
Answer» Mitchell Hatch & Slack Calvin Priestley ANSWER :A

Discussion

19679.	Question : Chemicals which are released at the synaptic junction are called
Answer» Hormone NEUROTRANSMITTERS Cerebrospinal FLUID Lymph Solution :Neurotransmitters are SECRETED from the synaptical vesicle, from the terminal part of the axon.

Discussion

19680.	Question : Chemiomotic theory of ATP synthesis in the chioroplast and mitochondria is based on
Answer» PROTON gradient accumulation OFK ions accumulation of NA ions membrane potential Answer :A

Discussion

19681.	Question : Chemicals which are released at the synap- tic junction are called
Answer» hormones neurotransmitters lymph cerebrospinal fluid Solution :A typical synapse consists of a bulbous expansion of a nerve terminal called a pre-synaptic KNOB lying close to the membrane of a dendrite.The cytoplasm of the synaptic knob CONTAINS mitochondria, smooth endoplasmic reticulum, microfilaments and numerous synaptic vesicles. Each vesicles contains neurotransmitter (CHEMICAL substance) responsible for the TRANSMISSION of the nerve IMPULSE across the synapse.

Discussion

19682.	Question : Chemically the hormones are
Answer» PROTEINS only STEROIDS only BIOGENIC AMINES only proteins, steroids and biogenic amines

Discussion

19683.	Question :Chemically the hormones are
Answer» STEROIDS only PROTEINS, steroids and BIOGENIC AMINES Proteins only Biogenic amines only SOLUTION :Proteins, steroids and biogenic amines

Discussion

19684.	Question : Chemically hormones are divided into which groups ?
Answer» Solution : Hormones preduce their effects on target tissues by binding to SPECIFIC PROTEINS called hormone receptors located in the target tissues only. Hormone receptors present on the cell membrane of the target cells are celled membrane bound receptors and the receptors present inside the target cell are called intracellular receptors, mostly nuclear receptors. Binding of a hormone to its receptor leads to the formation of a hormone receptor COMPLEX. Each receptor is specific to one hormone only and hence receptors are specific. Hormone receptor complex formation leads to certain biochemical changes in the target tissue. Target tissue metabolism and hence physiological functions are regulated by hormones. On the basis of their chemical nature, hormones can be divided into : (i) Peptide, polypeptide, protein hormones (e.g., insulin, glucagon, pituitary hormones, hypothalamic hormones, etc.) (ii) Steroids (e.g., cortisol, testosterone, estradiol and progesterone) (iii) IODOTHYRONINES (thyroid hormones) (iv) Amino - acid derivatives (e.g., epinephrine). Hormones which interact with membrane - bound receptors normally do not enter the target cell, but GENERATE second messengers (e.g., cyclic AMP,`"IP"_(3)"Ca"^("++)` etc.) which in turn regulate cellularmetabolism. Hormones which interact with intracellular receptors (steroid, iodothyronines, etc.) mostly regulate gene expression or chromosome function by the interaction of hormone - receptor complex with the genome. Cumulative biochemical actions result in physiological and developmental effects.

Discussion

19685.	Question : Chemicallyhormones are
Answer» BIOGENIC amines only PROTEINS, STEROIDS, and biogenic amines Proteins only Steroids only ANSWER :B

Discussion

19686.	Question : Chemical produced by mould Penicillium notatum did not allow the growth of Staphyloccocci bacteria, thus penicillin was established as antibiotic. Who established its effective potential ?
Answer» ALEXANDER Fleming Ernest CHAIN Ernest Chain and HOWARD Florey Fleming and Waksman Answer :C

Discussion

19687.	Question : Chemical present in the walls of cork cell is
Answer» LIGNIN CHITIN CUTIN Suberin Answer :D

Discussion

19688.	Question : Chargaff rule is not applicable to
Answer» RICE dwarf VIRUS `phixx-174` BACTERIOPHAGE WOUND tumour virus REO viurs Answer :B

Discussion

19689.	Question : Chargaff did not establish that
Answer» `A:T = 1: 1` `G: C = 1: 1` `A+G:T+Cne1:1` `A+T:G+Cne1:1` ANSWER :C

Discussion

19690.	Question : Charcter not found in mustard is
Answer» Syncarpus gynoecium FALSE SEPTUM in OVARY Tetradynamous stamens Basal placentation Answer :D

Discussion

19691.	Question : Characters of a marine invertebrate is given.Spiny skinned body Presence of water vascular system Identify and write the phylumWrite any functions of water vascular system among them
Answer» SOLUTION :ECHINODERMATA

Discussion

19692.	Question : Characterstic inflorescence of family compositae (Asteraceae)
Answer» CAPITULUM SPADIX Spike Umbel ANSWER :A

Discussion

19693.	Question : Characteristics of three animals are given below : (a) To which group of animals does each of these belong? (b) Which of these animals is most likely to have gills atcertain stages of its life cycle ? (c) Name one animal for each group that may fulfill thesecharacteristics .
Answer» Solution :(a)I-Amphibia , II-Mammalia , III-Reptilia , (B)I, (c ) FROG , Whale , LIZARD

Discussion

19694.	Question : Characteristic features of different blood vessels in the body are shown. What does P,Q and R represent ?
Answer» `"P : TOTAL areaQ : VelocityR : BLOOD pressure"` `"P : Blood pressureQ : VelocityR : Total AREA"` `"P : VelocityQ : Total areaR : Blood pressure"` `"P : Total areaQ : Blood pressureR : Velocity"` ANSWER :B

Discussion

19695.	Question : Characteristics of dicots include all of the following except :
Answer» TWO cotyledons leaves with NETTED veins woody or herbaceous PLANTS vascular BUNDLES arranged irregularly in the stem Solution :vascular bundles arranged irregularly in the stem

Discussion

19696.	Question : Characteristic inflorescence of family Asteraceae
Answer» Capitulum Catkin UMBEL CORYMB ANSWER :A

Discussion

19697.	Question :Character not seen in floral formula but observed in floral diagram is
Answer» No of capels No of STAMENS No of PERIANTH members No of LOCULES ANSWER :D

Discussion

19698.	Question : Character not related to anatomy of dicot leaf
Answer» Stomatal FREQUENCY is more in LOWER EPIDERMIS than upper epidermis Heterogenous mesophyll Phloem TOWARDS abaxial epidermis Vascular BUNDLE provided with scleren- chymotous bundle sheath Answer :D

Discussion

19699.	Question : Character common to the plants that are included under series Thanlmiflorae. Discifiorae, and Calyciflorae is
Answer» Dicots with free petals FLOWERS with one WHORL of PERIANTH Dicots with FUSED petals Monocots with free perianth Answer :A

Discussion

19700.	Question : Chanos chanos are cultured in ............
Answer» SOLUTION :BRACKISH WATER

Discussion

Explore topic-wise InterviewSolutions in .

Question : Chlorophyll 'a' is the primary pigment for the ligh reaction. What are accessory pigments ? What is their role is photosynthesis ?

Question : Chlorophyll a : Blue green : : chlorophyll b : …….

Question : Chlorophyll a and b have the same structure except that Chla has "_____________" group while Chl b has group in side chain.

Question :Chlorophyll a bears methyl/formyl group at carbon 3.

Question : Chlorophyceae members are called as green algae because they appear green coloured due to the presence of

Question : Chlorophycae includes_________algae while phaeophyceae includes_________algae.

Question : Chloride shift occurs in response to:

Question : Chloride shift is required for transport of

Question : Chlorenchyma is a type of parenchyma.

Question : Chlorenchyma is known to develop in

Question : Chloralla and spirulina which are grown to harvest SCP are

Question : Chlamydomonas is motile.

Question : Chlamydomonas sps show

Question : Chitinous cell wall and glycogen as reserve food are characteristic of this kingdom

Question : Chitinous exoskeleton is present in

Question : Chitin is a polysaccharide found in the ..................... of crabs and prawn etc.

Question : Chiropterophily means

Question : Chipko Andolan (Movement) which was started in 1973 in Garhwal//Himalayas (Gopeshwar) near Alaknanda river was for the first time initiated by

Question : Chief producers in the oceans are

Question : Chilgozas are the seeds of

Question : Chief food conducting cells of phloem in gymnosperm are

Question : Chickenpox is a viral disease caused by

Question : Chiasmata are most appropriately observed in meiosis during

Question : Chiasmata are formed during meiosis :

Question : Chemosynthesis bacteria obtain energy from

Question : Chemosmosis requires

Question : Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on

Question : Chemiosmotic theory was proposed by_____

Question : Chemicals which are released at the synaptic junction are called

Question : Chemiomotic theory of ATP synthesis in the chioroplast and mitochondria is based on

Question : Chemicals which are released at the synap- tic junction are called

Question : Chemically the hormones are

Question :Chemically the hormones are

Question : Chemically hormones are divided into which groups ?

Question : Chemicallyhormones are

Question : Chemical produced by mould Penicillium notatum did not allow the growth of Staphyloccocci bacteria, thus penicillin was established as antibiotic. Who established its effective potential ?

Question : Chemical present in the walls of cork cell is

Question : Chargaff rule is not applicable to

Question : Chargaff did not establish that

Question : Charcter not found in mustard is

Question : Characters of a marine invertebrate is given.Spiny skinned body Presence of water vascular system Identify and write the phylumWrite any functions of water vascular system among them

Question : Characterstic inflorescence of family compositae (Asteraceae)

Question : Characteristics of three animals are given below : (a) To which group of animals does each of these belong? (b) Which of these animals is most likely to have gills atcertain stages of its life cycle ? (c) Name one animal for each group that may fulfill thesecharacteristics .

Question : Characteristic features of different blood vessels in the body are shown. What does P,Q and R represent ?

Question : Characteristics of dicots include all of the following except :

Question : Characteristic inflorescence of family Asteraceae

Question :Character not seen in floral formula but observed in floral diagram is

Question : Character not related to anatomy of dicot leaf

Question : Character common to the plants that are included under series Thanlmiflorae. Discifiorae, and Calyciflorae is

Question : Chanos chanos are cultured in ............

Question : Chlorophycae includes_algae while phaeophyceae includes_algae.