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The rate of photosynthesis is controlled by
General Science Biology NEET UG NEET UG Preparation
Q. 1 of Quiz-1443 (Que-ID : 3069)
The rate of photosynthesis is controlled by
- the rate of light reaction
- the rate of dark reaction
- the rates of both light and dark reactions
- none of the above
Ans → (b)the rate of dark reaction
Explanation → the rate of dark reaction
This question is taken from this post → Photosynthesis in Plants (Class 11th Biology) Revision Test | MCQs for NEET - attemp/practice
More MCQs in - Photosynthesis in Plants (Class 11th Biology) Revision Test | MCQs for NEET
Q. 1 of Quiz-1443 (Que-ID : 3069)
The rate of photosynthesis is controlled by
- the rate of light reaction
- the rate of dark reaction
- the rates of both light and dark reactions
- none of the above
Q. 2 of Quiz-1443 (Que-ID : 3070)
The end product of the Calvin cycle is ______.
- RuBP
- PGAL
- PGA
- ADP + NADP
Q. 3 of Quiz-1443 (Que-ID : 3071)
The primary carbon dioxide acceptor in C4 cycle is
- malic acid
- phosphoenol pyruvate
- rubisco
- aspartic acid
Q. 4 of Quiz-1443 (Que-ID : 3072)
The law of limiting factor was given by
- Calvin
- Blackman
- Priestley
- None of these
Q. 5 of Quiz-1443 (Que-ID : 3073)
The metabolic pathway which produces carbohydrate is
- Calvin cycle
- Glycolysis
- Cyclic electron pathway
- Krebs cycle
Q. 6 of Quiz-1443 (Que-ID : 3074)
Manganese is required in
- Chlorophyll synthesis
- Nucleic acid synthesis
- Plant cell wall formation
- Photolysis of water during photosynthesis
Q. 7 of Quiz-1443 (Que-ID : 3075)
Oxidative phosphorylation refers to
- Anaerobic production of ATP
- The citric acid cycle production of ATP
- Production of ATP by chemiosmosis
- Alcoholic fermentation
Q. 8 of Quiz-1443 (Que-ID : 3076)
Which of the following is not an accessory pigment?
- Carotene
- Chlorophyll a
- Chlorophyll b
- Xanthophyll
Q. 9 of Quiz-1443 (Que-ID : 3077)
Besides water and CO2, which is more essential a raw material for food formation
- light
- oxygen
- NAD
- mineral salt
Q. 10 of Quiz-1443 (Que-ID : 3078)
In actively gro – wing young plants, the best data for estimating the rate of photosynthesis would be
- ratio of oxygen evolved to carbon dioxide absorbed
- increase in fresh weight
- increase in dry weight
- increase in carbohydrate
Q. 11 of Quiz-1443 (Que-ID : 3079)
Discovery of Emerson effect has already shown the
- two distinct photochemical reactions
- light and dark reactions of photosynthesis
- photophosphorylation
- photorespiration
Q. 12 of Quiz-1443 (Que-ID : 3080)
Translocation of sugar in flowering plants occurs in the form of
- glucose
- sucrose
- starch
- maltose
Q. 13 of Quiz-1443 (Que-ID : 3081)
Where are thylakoids and grana located?
- Lysosomes
- Mitochondria
- Chloroplasts
- Golgi apparatus
Q. 14 of Quiz-1443 (Que-ID : 3082)
Who enunciated the law of limiting factor for photosynthesis?
- Robert Emerson
- Ruben
- Blackman
- Calvin
Q. 15 of Quiz-1443 (Que-ID : 3083)
Which one of the following statement is true for ATP?
- ATP is prosthetic part of an enzyme
- ATP is an enzyme
- ATP is organic ions of enzyme
- ATP is a Co-enzyme
Q. 16 of Quiz-1443 (Que-ID : 3084)
Kranz anatomy is a feature of
- C3 plants
- CAM plants
- C4 plants
- All of these
Q. 17 of Quiz-1443 (Que-ID : 3085)
Which of the following is a 4-carbon compound?
- Oxaloacetic acid
- Phosphoglyceric acid
- Ribulose biphosphate
- Phosphoenolpyruvate
Q. 18 of Quiz-1443 (Que-ID : 3086)
Which of the following process (C4 cycle) occurs in bundle sheath cells?
- Regeneration
- Fixation
- Carboxylation
- Decarboxylation
Q. 19 of Quiz-1443 (Que-ID : 3087)
Light reactions of photosynthesis occurs in
- stroma
- thylakoid
- grana
- cytoplasm of cell
Q. 20 of Quiz-1443 (Que-ID : 3088)
Water stress causes
- opening of stomata
- increase in metabolic rate
- wilting of leaves
- lesser availability of carbon dioxide
Q. 21 of Quiz-1443 (Que-ID : 3089)
During photochemical reaction of photosynthesis–
- liberation of O2 takes place
- Formation of ATP and NADPH2 take place
- Liberation of O2, formation of ATP, and NADPH2 takes place
- Assimilation of CO2 takes place
Q. 22 of Quiz-1443 (Que-ID : 3090)
In the half-leaf experiment of photosynthesis, KOH solution is used because
- It provides O2 to the leaf.
- It provides moisture to the leaf.
- t helps in CO2 fixation
- It absorbs CO2
Q. 23 of Quiz-1443 (Que-ID : 3091)
Structurally, chlorophyll a and b are different as
- Chl a has a methyl group and Chl b has an aldehyde group.
- Chl a has an aldehyde group and Chl b has a methyl group.
- Chl a has an ethyl group and Chl b has an aldehyde group
- Chl a has a carboxyl group and Chl b has an aldehyde group.
Q. 24 of Quiz-1443 (Que-ID : 3092)
Fixation of one CO2 molecule through Calvin cycle requires:
- 1 ATP and 2NADPH2
- 2ATP and 2NADPH2
- 3ATP and 2NADPH2
- 2ATP and 1NADPH2
Q. 25 of Quiz-1443 (Que-ID : 3093)
Which one of the following statements about cytochrome P-450 is wrong?
- It is a colored cell
- It is an enzyme involved in oxidation reaction
- It has an important role in metabolism
- It contains iron
More MCQs In - General Science Biology NEET UG NEET UG Preparation
Q. 3 of Quiz- (Que-ID : 3271)
In a monoecious plant
- Male and female sex organs are on the same individual
- male and female gametes are of two morphologically distinct types
- Male and female sex organs are on different individuals
- All the stamens are fused to form one unit
Q. 5 of Quiz- (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Q. 11 of Quiz- (Que-ID : 2829)
The wall of the ovary forms
- pericarp
- fruit wall
- fruit
- both (a) and (b).
Q. 25 of Quiz- (Que-ID : 2793)
The taxonomic unit ?Phylum? in the classification of animals is equivalent to which hierarchical level in classification of plants?
- Class
- Order
- Family
- Division
Q. 2 of Quiz- (Que-ID : 3470)
Soil particle determine the character of
- Organisation
- Biomass
- Area capacity
- Soil plants
Q. 7 of Quiz- (Que-ID : 3225)
In Lathyrus, the leaves are modified into
- thorns
- cladodes
- tendrils
- spines
Q. 22 of Quiz- (Que-ID : 2991)
Ciliated columnar cells are lined in which of the following
- DCT
- Both a and c
- PCT
- None of the above
Q. 15 of Quiz- (Que-ID : 3433)
The sheep ‘Dolly’ was cloned by using somatic cells from donor’s:
- Udder
- Skin
- Tongue
- Earlobe
Q. 9 of Quiz- (Que-ID : 2877)
Condoms are one of the most popular contraceptives because of the following reasons.
- These are effective barriers for insemination
- They do not interfere with coital act
- These help in reducing the risk of STDs
- All of the above
Q. 19 of Quiz- (Que-ID : 2937)
Inheritance of roan coat in cattle is an example of
- incomplete dominance
- codominance
- multiple allelism
- none of these
Q. 12 of Quiz- (Que-ID : 2830)
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because
- offspring do not possess exact copies of parental DNA
- DNA of only one parent is copied and passed on to the offspring
- offspring are formed at different times
- DNA of parent and offspring are completely different
Q. 16 of Quiz- (Que-ID : 3384)
The masses of bacteria held together by slime and fungal filaments to form mesh-like structures are called as
- primary sludge
- floes
- activated sludge
- anaerobic sludge
Q. 10 of Quiz- (Que-ID : 3428)
Somatic hybridization can be done by:
- By Protoplast fusion
- By Haploid anther
- By cell culture
- By Pollen culture
Q. 20 of Quiz- (Que-ID : 3038)
IAA is naturally occurring plant hormone called
- Gibberlin
- Auxin
- Cytokinin
- Absicic acid
Q. 20 of Quiz- (Que-ID : 2989)
ANF can cause
- Vasoconstriction
- Vasodilation
- Both a and b
- None of the above
Q. 18 of Quiz- (Que-ID : 2686)
How many times our heart beats in a minute
- 65-59
- 70-75
- 25-45
- None of the above
Q. 2 of Quiz- (Que-ID : 2720)
Which groups holds max nutritional diversity
- monera
- Plantae
- Fungi
- Anamalia
Q. 10 of Quiz- (Que-ID : 3278)
Gymnosperms produce neither flower nor fruit because they do not possess
- Embryo
- Ovary
- Ovule
- Seed
Q. 19 of Quiz- (Que-ID : 3212)
Endodermis cells are rich in
- cellulose
- starch grains
- fibers
- resins and wax
Q. 9 of Quiz- (Que-ID : 3427)
Monoclonal antibodies are obtained from
- One parent for one antigen
- Different parents for one antigen
- One parent for many antigens
- Many parents for many antigens
Q. 2 of Quiz- (Que-ID : 3345)
Which of the following is correctly matched ?
- Sericulture – Fish
- Aquaculture – Mosquito
- Apiculture – Honeybee
- Pisciculture – Silkmoth
Q. 2 of Quiz- (Que-ID : 2970)
Which among the following is not ureotelic
- Mammal
- Aquatic insect
- Terrestrial amphibian
- Marine fishes
Q. 1 of Quiz- (Que-ID : 2844)
The anther wall consists of four wall layers where
- tapetum lies just inner to endothecium
- middle layers lie between endothecium and tapetum
- endothecium lies inner to middle layers
- tapetum lies next to epidermis
Q. 7 of Quiz- (Que-ID : 3225)
In Lathyrus, the leaves are modified into
- thorns
- cladodes
- tendrils
- spines
Q. 12 of Quiz- (Que-ID : 2980)
Bowman capsule with glomerulus is known as
- Malphigian body
- Renal corpuscle
- Malphigian capsule
- Both b and c
Q. 7 of Quiz- (Que-ID : 3325)
Which one of the following sets includes bacterial diseases ?
- Tetanus, tuberculosis, measles
- Diptheria, leprosy, plague
- Cholera, typhoid, mumps
- Malaria, mumps, poliomyelits
Q. 7 of Quiz- (Que-ID : 2725)
In which form fungi store food material
- Lipid
- Starch
- Oil and glycogen
- Protein
Q. 2 of Quiz- (Que-ID : 3295)
The phenomenon ‘ontogeny repeats phylogeny’ is explained by
- recapitualtion theory
- Inheritcance theory
- mutation theory
- natural selection theory.
Q. 15 of Quiz- (Que-ID : 87)
Who discovered insulin?
- F.Banting
- Edward Jenner
- Ronald Ross
- S.A wakesman
Q. 7 of Quiz- (Que-ID : 2750)
which of the following acts on bones
- Melatonin
- Triiodothyronine
- GH
- Parathyroid
Q. 40 of Quiz- (Que-ID : 611)
Tulsi plant has medicinal values due to presence of the following
- Inorganic acid
- Organic acid
- Phenols and Flavonoids
- None of the above
Q. 22 of Quiz- (Que-ID : 3265)
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
- Annelida
- Mollusca
- Cnidaria
- Echinodermata
Q. 20 of Quiz- (Que-ID : 2813)
Select the correct statement from the ones given below
- Cocaine is given to patients after surgery as it stimulates recovery
- Barbiturates when given to criminals make them tell the truth
- Morphine is often given to persons who have undergone surgery as a pain killer
- Chewing tobacco lowers blood pressure and heart rate
Q. 11 of Quiz- (Que-ID : 3554)
Which of these principles state that in the ground state of the atoms, the orbitals are filled in order of their increasing energies?
- Afbau principle
- Hund’s rule of multiplicity
- Pauli’s exclusion principle
- None of the above
Q. 4 of Quiz- (Que-ID : 3472)
Exchange of water in submerged plant
- Stomata
- Normal surface
- Hydathode
- Lenticel
Q. 4 of Quiz- (Que-ID : 2972)
Which among is the most toxic
- Ammonia
- Uric acid
- Urea
- None of the above
Directions :
Q. 20 of Quiz- (Que-ID : 3363)Which of the following plays a role in indigenous system of medicine ?
- Plant breeding
- Fisheries
- Apiculture
- MOET
Q. 23 of Quiz- (Que-ID : 2666)
Pneumotaxic centre is present in which region of brain
- Medulla
- Hypothalamus
- Pons
- None of the above
Q. 12 of Quiz- (Que-ID : 2905)
The function of the secretion of prostate gland is to
- inhibit sperm activity
- attract sperms
- stimulate sperm activity
- none of these.
Q. 3 of Quiz- (Que-ID : 3271)
In a monoecious plant
- Male and female sex organs are on the same individual
- male and female gametes are of two morphologically distinct types
- Male and female sex organs are on different individuals
- All the stamens are fused to form one unit
Q. 22 of Quiz- (Que-ID : 2940)
Which three scientists independently rediscovered Mendel’s work ?
- Avery, McLeod, McCarty
- Sutton, Morgan and Bridges
- Bateson, Punnet and Bridges
- de Vries, Correns and Tschemark
Q. 7 of Quiz- (Que-ID : 3525)
Chlorofluoro carbon are responsible for
- Acid rain
- Ozone layer depletion
- Global warming
- Thermal inversion
Q. 20 of Quiz- (Que-ID : 2688)
What is first name of heart sound
- Dubb
- Lubb
- Both a and b
- None of the above
Q. 11 of Quiz- (Que-ID : 2729)
name of agaricus fruiting body
- Fairy rings
- Cleistothecium
- Basidocarp
- Asciocarp
Q. 20 of Quiz- (Que-ID : 3513)
Genetic biodiversity in agricultural crops in threatened by
- introduction of high yielding varieties
- intensine use of fertilizers
- extensive intercropping
- intensive use of biopesticides
Q. 19 of Quiz- (Que-ID : 3412)
Plasmid is a
- Fungus
- Plasmid
- Part of Plasma membrane
- Extra chromosomal DNA in bacterial cell
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