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151.

Which statement is not correct :-A. Plastid inheritance in mirabilis jalapa is a true example of cytoplasmic inheritanceB. Inheritance of cytogene occurs only through femaleC. In cytoplasmic inheritance, reciprocal cross can affect resultsD. True cytoplasmic inheritance is due to karyogene

Answer» Correct Answer - D
152.

Which of the following pigment is universal photosynthsis pigment ?A. Chlorophyll-aB. Chlorophyll-bC. Chlorophyll-cD. Chlorophyll-d

Answer» Correct Answer - A
153.

What is the significance of meiosis :-A. The conversion of specific chromosome number of each species is achieved across ganerations in sexually reproducing organisms.B. It increases the genetic variability in the population of organisms from generation to the nextC. Meiosis decreases the genetic variability in the population or organismss from one generation to the nextD. 1 and 2 option is correct

Answer» Correct Answer - D
154.

Among rust, smut and mushroom all the these have common character :-A. are pathogenB. are saprobesC. do not bear ascocarpD. bear basidiocarp

Answer» Correct Answer - C
155.

One of the following almost not found in living organism :-A. SiB. KC. NaD. Ca

Answer» Correct Answer - A
156.

Match the column-I with column-II A. A-III, B-IV, C-I, D-IIB. A-IV, B-II, C-III, D-IC. A-III, B-IV, C-II, D-ID. A-II, B-III, C-IV, D-I

Answer» Correct Answer - C
157.

Abrin is which type of secondary metabolites :-A. AlkaloidsB. ToxinC. LactinD. Drug

Answer» Correct Answer - B
158.

Secondary cell wall is formed on :-A. The inner side of primary cell wallB. The outer side of primary cell wallC. Middle side of cellD. Intercellular spaces

Answer» Correct Answer - A
159.

Which one is secondary metabolite :-A. ProteinB. LipidC. AlkaloidD. Amino acid

Answer» Correct Answer - C
160.

What is the basic reason behind leaves remaining above the water in rice plant ?A. Bolting due to gibberellinB. Apical dominance due to auxinC. Internodal elongation due to ethyleneD. Due to photoperiodism

Answer» Correct Answer - C
161.

Which statement is not correct regarding to stickle cell anaemia :-A. This is autosomal linked recessive traitB. Heterzygous `(Hb^(A)Hb^(S))` are resistant to malarial diseaseC. Heterozygous `(Hb^(A)Hb^(S))` individuals are diseased phenotypeD. Defect is caused by the substitution of glutamic acid (Glu) by valine (Val) at the sixth position of the beta globin chain of the haemoglobin molecule

Answer» Correct Answer - C
162.

Lysosome arises from which cell organelle ?A. NucleusB. Endoplasmic reticulumC. Golgi ApparatusD. Both 2 & 3

Answer» Correct Answer - D
163.

Detoxification of harmful drugs is the function ofA. RERB. SERC. LysosomeD. Mitochondria

Answer» Correct Answer - B
164.

Which enzyme is responsible for recombination process in meiosis-I ?A. RecombinationB. ProteaseC. DNA ligase onlyD. DNA Polymerase

Answer» Correct Answer - A
165.

Cholesterol is related to which type of molecule.A. EnzymeB. CarbohydrateC. LipidD. Protein

Answer» Correct Answer - C
166.

Which one is the poly hydroxy aldehyde or ketone :-A. LipidB. Nucleic acidC. CarbohydrateD. Water

Answer» Correct Answer - C
167.

This structural formula belongs to :- A. RiboseB. SucroseC. Deoxy riboseD. Glucose

Answer» Correct Answer - D
168.

Which of the following statements is correct ? (A) Mycoplasma has no cell wall (B) Viruses can multiply only when they are present inside the living cell. (C) True sexuality s not found in bacteria (D) Mycoplasma can not survive without `O_(2)`A. A, B,C & DB. A,B,DC. A, B, CD. C & D

Answer» Correct Answer - C
169.

The suicidal bag of an animal cell is :-A. SphaerosomeB. DictyosomeC. LysosomeD. Mitochondria

Answer» Correct Answer - C
170.

Strach is stored in :-A. AmyloplastsB. ElaioplastsC. AleuroplastsD. Cytoskeleton

Answer» Correct Answer - A
171.

In a diploid cell before-s-phase quantity of DNA is 40 picogram (pg) after meiosis-I what will be the quantity of DNA is each daughter cell ?A. 10 pgB. 20 pgC. 5 pgD. 40 pg

Answer» Correct Answer - D
172.

Which of the following smallest phase of the cell cycle ?A. prophaseB. InterphaseC. AnaplaseD. Metaphase

Answer» Correct Answer - C
173.

Which of the following is the best imbibant ?A. Agar-AgarB. ProteinC. CelluloseD. Starch

Answer» Correct Answer - A
174.

Best material for the sturdy of mitosis in laboratory is :A. AntherB. Onion root tipC. Leaf tipD. Ovary

Answer» Correct Answer - B
175.

Mitosis is not having the one of the character out of the four given below :A. It is an equational divisionB. It involves recombination and crossing overC. Sister chromatid separated during AnaphaseD. Nuclear membrane disappears during late prophase

Answer» Correct Answer - B
176.

Arithemtic growth can be observed in :A. Trichoderma colonyB. Yeast colonyC. Bacteria colonyD. Root elongation

Answer» Correct Answer - D
177.

Prophase is marked by :A. The initiation of condensation of chromosomal materialB. DNA DuplticationC. Transcription and translationD. Duplication of centriole

Answer» Correct Answer - A
178.

Cells at the end of prophase, when viewed under the microscope do not show_________ .A. Golgi complexes, endoplasmic reticulum, nucleolus and the nuclear envelopB. Only nuclear envelopeC. Only endoplasmic reticulumD. Only nucleolus

Answer» Correct Answer - A
179.

Which statement is incorrect :-A. Human genome project was a 13 years projectB. Genome of fruit and arabidopsis have been sequencedC. HGP was called big banf theoryD. Repetitive sequence are stretches of DNA sequences that are repeated many times, some time hundred to thousand times

Answer» Correct Answer - C
180.

Which statement is not correct :-A. Amino acid attach with acceptor end of t-RNAB. Release factor binds to the stop codon for terminating translationC. All 64 codons code for amino acidsD. In splicing, nitrons are removed and exons are joined

Answer» Correct Answer - C
181.

Choose the correct path of water flow in three adjacent cells :- A. B. C. D.

Answer» Correct Answer - D
182.

Select the correct statement from the following ?A. Calcium cobalt test is conduced to identify the transpiring leavesB. `K^(+)` ions enters actively in guard cells during stomatal openingC. Plants in hilly areas show normal transpiration even in low atmospheric pressureD. Humidity is directly proportional to transpiration rate

Answer» Correct Answer - B
183.

Which of the following is most strong natural oxidant involved in photophosphorylation ?A. PheophytinB. PlastoquinoneC. `NADP^(+)`D. Cytochrome `b_(6)` & f complex

Answer» Correct Answer - C
184.

Select the correct statements about photophosporylation :A. Cyclic photophosphorylation involves photolysis of waterB. Cyclic photophosphorylation occurs in granal the lakoidC. External electron doner is required in cyclic photophosphorylationD. Only PS-I is involved in cyclic photophosphorylation

Answer» Correct Answer - D
185.

Experiment for Emerson enhancement and red drop was conducted on :A. ChlamydomonasB. PolysinphoniaC. ChlorellaD. Dictyota

Answer» Correct Answer - C
186.

Select the incorrect statement :A. Primary `CO_(2)` acceptor in `C_(3)` plants is RuBpB. Primary `CO_(2)` acceptor in CAM plants is PEPC. High temperature sensitive enzyme PEP case is present in Tobacco plantD. `CO_(2)` is stored in CAM plants as malic acid inside vacuole during night.

Answer» Correct Answer - C
187.

Red drop occurs due to :A. Low `CO_(2)` in atmosphereB. High `CO_(2)` in atmosphereC. Supply of light intensity below 680 nmD. Supply of monochromatic light of 700 nm

Answer» Correct Answer - D
188.

Select the correct statement about anaerobic respiration :A. More than 7% energy is generatedB. yeast poison themselves to death when concentration of alcohol reaches about 30%C. Net gain is 2ATPD. `CO_(2)` is produced in both types of fermentation

Answer» Correct Answer - C
189.

Seeds are endospermic in :-A. Pea & castorB. Pea & coconutC. Castor and coconutD. coconut & pea

Answer» Correct Answer - C
190.

ETS is inhibited at complex -III by :A. CyanideB. RotenoneC. AntimycinD. ligomycin

Answer» Correct Answer - C
191.

Which statement is incorrect :-A. Pleotropic gene has multiple phenotypeB. 9:7 ratio is produced due to lethal geneC. Two identical alleles known as homozygousD. Incomplete dominance present in antirrhinum majus

Answer» Correct Answer - B
192.

Select the incorrect statement :A. Majority of nutrients required for plant growth and development become available to root, due to weathering and breakdown to rocksB. Soil supplies air to the rootsC. Decomposition is a process to recycle minerals in oilD. Only macro nutrients form the components of fertilisers

Answer» Correct Answer - D
193.

Find out incorrect match :-A. Genome of `phi xx 174` bacteriophase -5386 nucleotidesB. Catalytic RNA - RibozymeC. Sudden chemical change in DNA - MutationD. Purine - Adenine and cytosine

Answer» Correct Answer - D
194.

All enzymes are present in matrix of mitchondria for TCA cycle except:A. `alpha`-Ketoglutaric acid dehydrogenaseB. Citrate synthetaseC. Syccinate dehydrogenaseD. Decarboxylase

Answer» Correct Answer - C
195.

A sequence of three Nitrogen Bbase of RNA can function as :-A. GeneB. NucleosideC. CodonD. Amino acid

Answer» Correct Answer - C
196.

Soil is the reservoir of essential elements except:A. PhosporusB. SulphurC. CarbonD. Calcium

Answer» Correct Answer - C
197.

Select the incorrect statement :A. Mo and Fe are the components of nitrogenase enzymeB. LHb is formed by contribution of both plant and bacteria.C. LHb protects the nitrogenase enzyme by binding to `O_(2)`D. `N_(2)` fixation is a passive process

Answer» Correct Answer - D
198.

RNA is more reactive or unstable to DNA due to presence of :-A. `-OH` group on `2^(nd)` position of ribose sugarB. `-OH` group on `3^(rd)` position of deoxy ribose sugarC. `-` Phosphate group on `5^(th)` position of ribose sugarD. `-OH` group on `1^(st)` position of ribose sugar

Answer» Correct Answer - A
199.

Mitochondria and chloroplast divides byA. Meiosis-I equivalent to mitosis divisionB. MitosisC. FissionD. Meiosis

Answer» Correct Answer - C
200.

Which of the following enzyme is called as mitochondria marker enzyme :A. CarboxylaseB. DecarboxylaseC. Alcohol dehydrogenaseD. Succinate dehydrogenase

Answer» Correct Answer - D