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The stage of rapid cell division just after fertilization is
General Science Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 8 of Quiz-1441 (Que-ID : 3026)
The stage of rapid cell division just after fertilization is
- Organogenesis
- Cleavage
- Gastrulation
- Growth
Ans → (b)Cleavage
Explanation →
This question is taken from this post → Plant Growth and Development (Class-11th Biology) Revision Test | MCQs For NEET - attemp/practice
More MCQs in - Plant Growth and Development (Class-11th Biology) Revision Test | MCQs For NEET
Q. 1 of Quiz-1441 (Que-ID : 3019)
Mechanism of development was explained by
- Hans Dietrisch
- Spemann
- Both a and b
- Haemmerling
Q. 2 of Quiz-1441 (Que-ID : 3020)
Intercalary meristems are of
- Permanent nature
- Temporary nature
- Some are permanent some temporary
- None of these
Q. 3 of Quiz-1441 (Que-ID : 3021)
Cells of fibers and tracheids elongate during
- Phase of cell division
- Phase of cell elongation
- Phase of cell maturation
- Phase of cell differentiation
Q. 4 of Quiz-1441 (Que-ID : 3022)
Typical plant growth shows _________ curve.
- J-shaped
- S-shaped
- I-shaped
- Parabolic
Q. 5 of Quiz-1441 (Que-ID : 3023)
Exponential growth of the plants is express as W1 = W0 ert r represents
- ability of the plant to produce new cells
- efficiency index
- relative growth rate
- all of the above
Q. 6 of Quiz-1441 (Que-ID : 3024)
Opening of floral buds into flowers, is a type of:
- Autonomic movement of variation
- Autonomic movement of locomotion
- Autonomic movement of growth
- Paratonic movement of growth
Q. 7 of Quiz-1441 (Que-ID : 3025)
Which one is incorrect?
- Epiblast is presumptive ectoderm and mesoderm
- Hypoblast is presumptive endoderm
- Hypoblast is presumptive mesoderm
- Upper layer of cells in blastoderm is epiblast
Q. 8 of Quiz-1441 (Que-ID : 3026)
The stage of rapid cell division just after fertilization is
- Organogenesis
- Cleavage
- Gastrulation
- Growth
Q. 9 of Quiz-1441 (Que-ID : 3027)
Which one of the followings is a gaseous plant hormone?
- Ethylene
- Gibberellin
- IAA
- Abscisic acid
Q. 10 of Quiz-1441 (Que-ID : 3028)
To prevent over – ripening, bananas should be
- given a dip in ascorbic acid
- maintained at room temperature
- refrigerated
- stored at the top of refrigerator
Q. 11 of Quiz-1441 (Que-ID : 3029)
Growth in dorsiventral leaf is measured in terms of
- length of leaf
- increase in cell number
- surface area increase
- none of these
Q. 12 of Quiz-1441 (Que-ID : 3030)
Plants grow throughout their life due to
- presence of meristems
- presence of vascular cambium
- presence of xylem and phloem
- presence of tracheids
Q. 13 of Quiz-1441 (Que-ID : 3031)
Mechanism of development was explained by
- Hans Dietrisch
- Spemann
- Both a and b
- Haemmerling
Q. 14 of Quiz-1441 (Que-ID : 3032)
The ability to regain or recover the lost or injured part of body is
- Aging
- Regeneration
- Abnormal development
- Primary inductio
Q. 15 of Quiz-1441 (Que-ID : 3033)
Which growth hormone accerlates the malting process in brewing industry?
- Auxins
- Gibberellins
- Ethylene
- Cytokinins
Q. 16 of Quiz-1441 (Que-ID : 3034)
Which plant growth regulator is the derivative of carotenoids?
- Auxin
- Gibberelic acid
- Cytokinin
- Abscisic acid
Q. 17 of Quiz-1441 (Que-ID : 3035)
Typical plant growth shows _________ curve.
- J-shaped
- S-shaped
- I-shaped
- Parabolic
Q. 18 of Quiz-1441 (Que-ID : 3036)
Mobilisation of stored food in germinating seeds is triggered by
- auxins
- cytokinins
- gibberellins
- ethylene
Q. 19 of Quiz-1441 (Que-ID : 3037)
Cavity formed between somatic and splanchnic mesoderm is called
- Gastrocoele
- Blastocoele
- Coelom
- Neurocoele
Q. 20 of Quiz-1441 (Que-ID : 3038)
IAA is naturally occurring plant hormone called
- Gibberlin
- Auxin
- Cytokinin
- Absicic acid
Q. 21 of Quiz-1441 (Que-ID : 3039)
Auxin is synthesised from in apical meristem from amino acid
- Isoleucine
- Methionine
- Niacin
- Tryptophan
Q. 22 of Quiz-1441 (Que-ID : 3040)
Growth regulator which induces parthenocarpy
- IAA
- ABA
- Cytokinin
- Ethylene
Q. 23 of Quiz-1441 (Que-ID : 3041)
Formation of seedless fruit without act of fertilisation
- Parthenocarpy
- pseudocarpy
- Apomixis
- Parthenogenesis
Q. 24 of Quiz-1441 (Que-ID : 3042)
The major site for production of gibberellin is
- Embryos
- Roots
- Young leaves
- All of these
More MCQs In - General Science Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 9 of Quiz- (Que-ID : 3527)
Nutrient enrichment of water bodies causes
- Stratification
- Eutrophication
- Succession
- None of these
Q. 13 of Quiz- (Que-ID : 3106)
Which of the following is not a macronutrient
- iron
- calcium
- manganese
- phosphorus
Q. 14 of Quiz- (Que-ID : 2627)
Which is not present in bile juice
- Bile pigments
- Enzymes
- Bile salts
- Cholesterol
Q. 6 of Quiz- (Que-ID : 3099)
Manganese toxicity leads to deficiency of
- iron
- calcium
- magnesium
- all of the above
Q. 8 of Quiz- (Que-ID : 2651)
What is the structural and functional unit of lungs
- Bronchioles
- Alveoli
- Bronchi
- Both a and c
Q. 21 of Quiz- (Que-ID : 3414)
DNA obtained for DNA finger printing:
- W.B.C
- Hair root cells
- Body fluids
- None of these
Q. 16 of Quiz- (Que-ID : 2759)
Which hormone inhibits release of growth hormone
- Insulin
- Gonadotrophin
- Somatostatin
- Thymosin
Q. 11 of Quiz- (Que-ID : 3104)
Oxygen scavangers present in root nodules of legumes is
- haemoglobin
- leg haemoglobin
- cyano haemoglobin
- none of these
Q. 24 of Quiz- (Que-ID : 3242)
Flowers in which only one set of essential organs is present are said to be
- Polygamous
- Bisexual
- Dioecious
- Unisexual
Q. 38 of Quiz- (Que-ID : 609)
In human body percentage of which element is highest?
- Hydrogen
- Nitrogen
- Carbon
- Oxygen
Q. 17 of Quiz- (Que-ID : 3135)
Diffusion rate is affected by
- temperature
- membrane permeability
- gradient of concentration
- all of these
Q. 24 of Quiz- (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. 22 of Quiz- (Que-ID : 2890)
Which one of the following groups includes sexually transmitted diseases caused by bacteria only ?
- Syphilis, gonorrhoea, chancroid
- Syphilis, chlamydiasis, chancroid
- Syphilis, gonorrhoea, scabies
- Syphilis, scabies, pediculosis
Q. 10 of Quiz- (Que-ID : 3003)
what type of plant is formed when colchicine is used in the process of development of Raphanobrassica?
- Autotetraploid
- Haploid
- Triploid
- Allotetraploid
Q. 21 of Quiz- (Que-ID : 3214)
Bark includes all the tissues
- Lying outside the vascular cambium
- Formed by vascular cambium
- Formed by phellogen
- Phellem & phelloderm
Q. 23 of Quiz- (Que-ID : 3016)
A cell plate is laid down during
- Cytokinesis
- Interphase
- Karyokinesis
- None of these
Q. 22 of Quiz- (Que-ID : 3240)
Spinous xerophytic herb belonging to solanceae is
- Solanum tuberosum
- S. nigrum
- S. xanthocarpum
- S. melongena
Q. 8 of Quiz- (Que-ID : 3101)
Choose the correct function of magnesium
- It is a constituent of several coenzyme
- It activates the enzymes of respiration and photosynthesis.
- It activates enzyme catalase
- It helps in maintaining anion-cation balance
Q. 18 of Quiz- (Que-ID : 3186)
Which membrane protects the eyes of frog in water?
- Tympanum
- Skin
- Sebaceous
- Nictitating
Q. 14 of Quiz- (Que-ID : 3532)
Bluebaby syndrome results from
- Excess of TDS
- Excess of DO
- Excess of chloride
- Methaemoglobin
Q. 20 of Quiz- (Que-ID : 3163)
Nitrogenous bases present in DNA
- Adenine, guanine, cytosine, uracil
- Adenine, guanine, cytosine, thymine
- Adenine, thymine, uracil
- Guanine, uracil
Q. 12 of Quiz- (Que-ID : 3180)
Which one of the following is a scent gland of mammals?
- Bartholin
- Anal
- Prostate
- Adrenal
Q. 16 of Quiz- (Que-ID : 3034)
Which plant growth regulator is the derivative of carotenoids?
- Auxin
- Gibberelic acid
- Cytokinin
- Abscisic acid
Q. 8 of Quiz- (Que-ID : 2851)
The outermost and innermost wall layers of microsporangium in an anther are respectively
- endothecium and tapetum
- epidermis and endodermis
- epidermis and middle layer
- epidermis and tapetum.
Q. 7 of Quiz- (Que-ID : 3475)
Xerophyte Contains
- Deep roots
- Sunken stomata
- Thick cuticle
- All of these
Q. 13 of Quiz- (Que-ID : 3531)
Minimata disease is caused by
- ByChromium
- By Cadmium
- By Methyl mercury
- By Radioactive elements
Q. 19 of Quiz- (Que-ID : 3462)
Science linking heredity with environment is:
- Ecology
- Ecophysiology
- Genecology
- Genetics
Q. 10 of Quiz- (Que-ID : 3153)
Which of the following is not a polysaccharide?
- Lactose
- Starch
- Glycogen
- Dextrin
Q. 3 of Quiz- (Que-ID : 3346)
Germplasm collection is the collection of
- germ cells
- semens
- plants/seeds with all the diverse alleles for all genes
- egg cells
Q. 23 of Quiz- (Que-ID : 3241)
Dry indehiscent single seeded fruit formed by bi-carpellary syncarpous inferior ovary is
- Cremocarp
- Berry
- Caryopsis
- Cypsela
Q. 8 of Quiz- (Que-ID : 3276)
Which of the following is used to grow microbes?
- Laminaria
- Gelidium
- Chlorella
- Sargassum
Q. 10 of Quiz- (Que-ID : 3278)
Gymnosperms produce neither flower nor fruit because they do not possess
- Embryo
- Ovary
- Ovule
- Seed
Q. 16 of Quiz- (Que-ID : 2909)
The third stage of parturition is called “after-birth”. In this stage
- excessive bleeding occurs
- fetus is bom and cervix and vagina contraction to normal condition happens
- fetus is bom and contraction of uterine wall prevents excessive bleeding
- placenta is expelled out
Q. 11 of Quiz- (Que-ID : 3504)
Bandipurin Karnataka is the site of project
- Elephant
- Hangul
- Tiger
- Peacock
Q. 3 of Quiz- (Que-ID : 3096)
Which of the following is a group of micronutrients?
- Ca, Zn, B
- Fe, Mn, Cu
- Cl, C, Ca
- Ni, Mo, H
Q. 18 of Quiz- (Que-ID : 3361)
In livestock breeding experiments, which of the following stages is transferred to surrogate mothers ?
- Unfertilised eggs
- Fertilised eggs
- 8 to 32 celled embryo
- Frozen semen
Q. 2 of Quiz- (Que-ID : 2615)
A cartilagenous flap which prevents entry of food
- Glottis
- Pyloric spincter
- Epiglottis
- Cardiac spincter
Q. 17 of Quiz- (Que-ID : 3535)
Common indicator organism of water pollution is
- Lemna pancicostata
- Eichhomia crassipes
- Escherichia coli
- Entamoeba histolytica
Q. 9 of Quiz- (Que-ID : 3177)
Fats are richly found in
- alveolar tissue
- lymph glands
- adipose tissue
- liver cells
Q. 18 of Quiz- (Que-ID : 2961)
How far is each base pair from the next one in DNA double helix model ?
- 2 nm
- 3.4 nm
- 34 nm
- 0.34 nm
Q. 14 of Quiz- (Que-ID : 2832)
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because
- nodes are shorter than intemodes
- nodes have meristematic cells
- nodes are located near the soil
- nodes have non-photosynthetic cells.
Q. 13 of Quiz- (Que-ID : 2981)
Which nephrons run deep into the medulla
- Cortical nephron
- Juxta medullary nephron
- Both a and b
- None of the above
Q. 13 of Quiz- (Que-ID : 3031)
Mechanism of development was explained by
- Hans Dietrisch
- Spemann
- Both a and b
- Haemmerling
Q. 10 of Quiz- (Que-ID : 2828)
In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?
- brinjal
- cucumber
- papaya
- Bitter gourd
Q. 7 of Quiz- (Que-ID : 3525)
Chlorofluoro carbon are responsible for
- Acid rain
- Ozone layer depletion
- Global warming
- Thermal inversion
Q. 5 of Quiz- (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
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