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In chlorophyta the mode of sexual reproduction is
General Science Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 21 of Quiz-1452 (Que-ID : 3289)
In chlorophyta the mode of sexual reproduction is
- Isogamy
- Anisogamy
- Oogamy
- Isogamy, Anisogamy and oogamy
Ans → (d)Isogamy, Anisogamy and oogamy
Explanation → Isogamy, Anisogamy and oogamy
This question is taken from this post → Plant Kingdom : Biology (Class 11th) Revision Test | MCQs for NEET - attemp/practice
More MCQs in - Plant Kingdom : Biology (Class 11th) Revision Test | MCQs for NEET
Q. 1 of Quiz-1452 (Que-ID : 3269)
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
Q. 2 of Quiz-1452 (Que-ID : 3270)
Which of the followings plant material is an efficient water imbibant?
- Agar
- Cellulose
- Lignin
- Pectin
Q. 3 of Quiz-1452 (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. 4 of Quiz-1452 (Que-ID : 3272)
The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
- Pteridophytes
- Angiosperms
- Gymnosperms
- None of these
Q. 5 of Quiz-1452 (Que-ID : 3273)
Which of the following is a liverwort?
- Sphagnum
- Funaria
- Marchantia
- Polytrichum
Q. 6 of Quiz-1452 (Que-ID : 3274)
Transgenic plants are the ones
- Grown in artificial medium after hybridization in the field
- Produced by a somatic embryo in artificial medium
- Generated by introducing foreign DNA in to a cell and regenerating a plant from that cell
- Produced after protoplast fusion in artificial medium
Q. 7 of Quiz-1452 (Que-ID : 3275)
Which of the following plants is used extensively for the study of photosynthesis?
- Amaranthus
- Asparagus
- Chlorella
- Sunflower
Q. 8 of Quiz-1452 (Que-ID : 3276)
Which of the following is used to grow microbes?
- Laminaria
- Gelidium
- Chlorella
- Sargassum
Q. 9 of Quiz-1452 (Que-ID : 3277)
Isogamous condition with non-flagellated gametes is found in
- Chlamydomonas
- Spirogyra
- Volvox
- Fucus
Q. 10 of Quiz-1452 (Que-ID : 3278)
Gymnosperms produce neither flower nor fruit because they do not possess
- Embryo
- Ovary
- Ovule
- Seed
Q. 11 of Quiz-1452 (Que-ID : 3279)
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
Q. 13 of Quiz-1452 (Que-ID : 3281)
The gametophyte is not an independent, free-living generation in
- Pinus
- Polytrichum
- Adiantum
- Marchantia
Q. 14 of Quiz-1452 (Que-ID : 3282)
In gymnosperms, the development of pollen grains occurs in
- Strobili
- Microsporangia
- Megasporangia
- Macrosporangia
Q. 15 of Quiz-1452 (Que-ID : 3283)
Ribbon shaped chloroplasts occur in
- Ulothrix
- Spirogyra
- Chlamydomonas
- Riccia
Q. 16 of Quiz-1452 (Que-ID : 3284)
Antheridia and Archegonia are sex organs of
- Moss
- Mucor
- Spirogyra
- Puccinia
Q. 18 of Quiz-1452 (Que-ID : 3286)
Bryophytes are called amphibians of plant kingdom because
- These plants live in soil and depend on marine organisms for asexual reproduction
- These plants live in soil and depend on water for sexual reproduction.
- These plants live in water and depend on land animals for sexual reproduction
- These plants live near water bodies.
Q. 19 of Quiz-1452 (Que-ID : 3287)
Which one of the following is a vascular cryptogram?
- Cedrus
- Equisetum
- Ginkgo
- Marchantia
Q. 20 of Quiz-1452 (Que-ID : 3288)
Pinus differs from mango in having
- Tree habit
- Green leaves
- Ovules not enclosed in ovary
- Wood
Q. 21 of Quiz-1452 (Que-ID : 3289)
In chlorophyta the mode of sexual reproduction is
- Isogamy
- Anisogamy
- Oogamy
- Isogamy, Anisogamy and oogamy
Q. 22 of Quiz-1452 (Que-ID : 3290)
An evolutionary characteristic is found in selaginella:
- Presence of ligule
- Heterophilly habits
- Sporangia present in cone
- Heterospory
Q. 23 of Quiz-1452 (Que-ID : 3291)
By which type of leaf is found in selaginella
- Aligulate and microphyllous
- Ligulate and megaphyllous
- Ligulate and microphyllous
- Aligulate and megaphyllous
Q. 24 of Quiz-1452 (Que-ID : 3292)
Bioluminescence is a phenomenon associated with
- chrysophyta
- phaeophyta
- pyrrophyta
- chlorophyta
Q. 25 of Quiz-1452 (Que-ID : 3293)
Yeast is different from penicillium and Rhizopus in being
- Acellular
- Unicellular
- Having unseptate hyphae
- multicellular
More MCQs In - General Science Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 25 of Quiz- (Que-ID : 2693)
What condition occurs when not enough oxygen reaches heart muscle
- High bp
- Low bp
- Angina
- Heart failure
Q. 6 of Quiz- (Que-ID : 3199)
Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
Q. 16 of Quiz- (Que-ID : 2684)
Which among the following has 2 chamber heart
- Fish
- Crocodile
- Birds
- Mammals
Q. 23 of Quiz- (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. 22 of Quiz- (Que-ID : 3215)
Living tissue in lenticel is called
- Conjunctive tissue
- Connective tissue
- Complementary tissue
- Phelloderm
Q. 13 of Quiz- (Que-ID : 2856)
Persistent nucellus is called as _______ and is found in _______.
- perisperm, black pepper
- perisperm, groundnut
- endosperm, black pepper
- endosperm groundnut
Q. 8 of Quiz- (Que-ID : 3326)
The common cold is caused by
- Rhino viruses
- Streptococcus pnemoniae
- Salmonella typhimurium
- Plasmodium vivax.
Q. 2 of Quiz- (Que-ID : 2895)
After ovulation Graafian follicle regreses into
- corpus atresia
- corpus callosum
- corpus luteum
- corpus albicans
Q. 21 of Quiz- (Que-ID : 2914)
In spermatogenesis, reduction division of chromosome occurs during conversion of
- spermatogonia to primary spermatocytes
- primary spermatocytes to secondary spermatocytes
- secondary spermatocytes to spermatids
- spermatids to sperms
Q. 20 of Quiz- (Que-ID : 3438)
First biochemical to be produced commercially by microbial cloning and genetic engineering:
- Human insulin
- Penicillin
- Interferons
- Fertility factor
Q. 5 of Quiz- (Que-ID : 2848)
Science of cultivation, breeding, marketing and arrangement of flowers is called
- arboriculture
- floriculture
- horticulture
- anthology
Q. 5 of Quiz- (Que-ID : 2973)
Which requires min water for removal from body
- Ammonia
- Urea
- Uric acid
- None of the above
Q. 12 of Quiz- (Que-ID : 3130)
Water is lost in a liquid state in some plants through hydathodes. These hydathodes
- do not show any specificity in opening and closing
- remain closed during day
- remain closed at night
- remain always open
Q. 22 of Quiz- (Que-ID : 3040)
Growth regulator which induces parthenocarpy
- IAA
- ABA
- Cytokinin
- Ethylene
Q. 12 of Quiz- (Que-ID : 2680)
Which enzyme converts prothrombin into thrombin
- Thrombin
- Thrombokinase
- Pepcase
- Ligase
Q. 16 of Quiz- (Que-ID : 3209)
After the secondary growth, the oldest layer of secondary phloem in a dicot stem is located
- just outside the vascular cambium
- just inside the vascular cambium
- just inside the vascular phloem
- just outside the secondary xylem
Q. 11 of Quiz- (Que-ID : 2804)
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
- Barbiturates cause relaxation and temporary euphoria
- Hashish causes after thought perceptions and hallucinations
- Opium stimulates nervous system and causes hallucinations
- Morphine leads to delusions and disturbed emotions
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. 25 of Quiz- (Que-ID : 3418)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
Q. 3 of Quiz- (Que-ID : 3321)
Which of the following pairs contains an infectious and a non-infectious disease respectively ?
- Typhoid and AIDS
- AIDS and cancer
- Pneumonia and malaria
- Cancer and malaria
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. 10 of Quiz- (Que-ID : 2928)
Haplodiploidy is found in
- grasshoppers and cockroaches
- birds and reptiles
- butterflies and moths
- honeybees, ants and waspe.
Q. 4 of Quiz- (Que-ID : 3122)
Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will be
- No movement of water
- Movement of water from cell B to A
- Movement of water from cell A to B
- Equilibrium between the two
Q. 12 of Quiz- (Que-ID : 3305)
Single step large mutation leading to speciation is also called
- founder effect
- saltation
- branching descent
- natural selection
Q. 14 of Quiz- (Que-ID : 2627)
Which is not present in bile juice
- Bile pigments
- Enzymes
- Bile salts
- Cholesterol
Q. 7 of Quiz- (Que-ID : 2750)
which of the following acts on bones
- Melatonin
- Triiodothyronine
- GH
- Parathyroid
Q. 24 of Quiz- (Que-ID : 3142)
Munch hypothesis is based on
- Translocation of food due to turgor pressure gradient and imbibition force
- Translocation of food due to turgor pressure gradient
- Translocation of food due to imbibition force
- None of the above
Q. 15 of Quiz- (Que-ID : 3133)
Wilting of a plant results from excessive
- respiration
- photosynthesis
- absorption
- transpiration
Q. 25 of Quiz- (Que-ID : 3393)
A microbial biocontrol agent that can be used to control butterfly caterpillars is
- Trichoderma polysporum
- Bacillus thuringiensis
- Streptococcus
- mycorrhiza
Q. 4 of Quiz- (Que-ID : 2847)
Nonessential floral organs in a flower are
- sepals and petals
- anther and ovary
- stigma and filament
- petals only.
Q. 1 of Quiz- (Que-ID : 1578)
The process occurring in the presence of oxygen is called… ..
- Anaerobic
- Aerobic
- Glycogenic
- Microaerophilic
Q. 10 of Quiz- (Que-ID : 2653)
What is the inspiratory reserve volume
- 2500-3000 ml
- 500 ml
- 1000-1100 ml
- None of the above
Q. 8 of Quiz- (Que-ID : 2801)
At a neuromuscular junction, synaptic vesicles discharge ______.
- Acetylcholine
- Epinephrine
- Adrenaline
- None of these
Q. 18 of Quiz- (Que-ID : 2911)
In humans, at the end of the first meiotic division, the male germ cells differentiate into the
- spermatids
- spermatogonia
- primary spermatocytes
- secondary spermatocytes
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. 5 of Quiz- (Que-ID : 2998)
Karyokinesis is the term used for
- division of cytoplasm
- division of nucleoplasm
- division of nucleus
- separation of daughter chromosomes
Q. 21 of Quiz- (Que-ID : 2889)
Which of the following is correct regarding HIV, hepatitis B, gonorrhoea, trichomoniasis ?
- Trichomoniasis is an STD whereas others are not.
- Gonorrhoea is a viral disease whereas others are bacterial
- HIV is a pathogen whereas others are diseases
- Hepatitis B is eradicated completely whereas others are not
Q. 6 of Quiz- (Que-ID : 2649)
Inspiration occurs if the pressure within the lungs is
- More than atm pressure
- Less tha atm pressure
- Equal to atm pressure
- None of the above
Q. 18 of Quiz- (Que-ID : 2836)
The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be
- 20
- 10
- 40
- 15
Q. 11 of Quiz- (Que-ID : 3354)
Hisardale is a new breed of sheep developed in Punjab by crossing
- Merino ram and Bikaneri ewe
- Assel ram and White leghorn ewe
- Rhode Island ram and White leghorn ewe
- Cochin ram and Ghagus ewe
Q. 24 of Quiz- (Que-ID : 3017)
Crossing over results the exchange of genetic material, which occurs between
- Non-sister chromosomes
- Sister chromatids
- Non-homologous chromosome
- Homologous chromosomes
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