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Mechanism of development was explained by
General Science Biology Botany Class 11th NEET UG NEET UG Preparation
Q. 1 of Quiz-1441 (Que-ID : 3019)
Mechanism of development was explained by
- Hans Dietrisch
- Spemann
- Both a and b
- Haemmerling
Ans → (c)Both a and b
Explanation → Both a and b
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. 22 of Quiz- (Que-ID : 3065)
Most of the energy of the carbohydrates is released by oxidation when
- Pyruvic acid is converted into CO2 and H2O
- Pyruvic acid is converted into acetyl Co-A
- Sugar is converted into pyruvic acid
- Glucose is converted into alcohol and CO2
Q. 1 of Quiz- (Que-ID : 3219)
In tamarind, the pinnate leaf is
- bipinnate
- tripinnate
- paripinnate
- imparipinnate
Q. 23 of Quiz- (Que-ID : 2866)
Polygonum type of embryo sac is
- 8 – nucleate, 7 – celled
- 8 – nucleate, 8 – celled
- 7 – nucleate, 7 – celled
- 4 – nucleate, 3 – celled
Q. 2 of Quiz- (Que-ID : 3020)
Intercalary meristems are of
- Permanent nature
- Temporary nature
- Some are permanent some temporary
- None of these
Q. 23 of Quiz- (Que-ID : 3466)
Praying mantis is a good example of
- Camouflage
- Mullarian mimicry
- Warning colouration
- Social insect
Q. 4 of Quiz- (Que-ID : 2797)
The cutaneous plexus and the papillary plexus consist of
- Specialized cells for cutaneous sensations
- A network of arteries to provide dermal supply
- A network of nerves to provide dermal sensation
- Gland cells that release cutaneous secretions
Q. 21 of Quiz- (Que-ID : 3339)
Amoebic dysentery (amoebiasis) is caused by
- Entamoeba histolytica
- E. coli
- Streptococcus pneumoniae
- Trichophyton
Q. 12 of Quiz- (Que-ID : 3005)
Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene
- C, B, A, D, E
- C, A, B, E, D
- C, B, A, E, D
- D, B, C, E, A
Q. 4 of Quiz- (Que-ID : 3347)
Major percentage of India’s Gross Domestic Product is constituted by
- industry
- agriculture
- export
- small scale cottage industry
Q. 22 of Quiz- (Que-ID : 2765)
Largest completely endocrine gland is
- Adrenal
- Thyroid
- Pituitary
- Parathyroid
Q. 21 of Quiz- (Que-ID : 3439)
A technology which has found immense use in solving cases of disputed percentage is:
- Polymerase chain reaction
- DNA finger printing
- None of these
- Both (a) and (b)
Q. 15 of Quiz- (Que-ID : 2758)
Diurnal rhythm of body is maintained by
- Melatonin
- Isthmus
- PTH
- Norepinephrine
Q. 15 of Quiz- (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. 1 of Quiz- (Que-ID : 3269)
Rhodophyceae is called red algae because of the pigment
- Fucoxanthin
- Phycoerythrin
- Carotenoids
- Chlorophyll c
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. 12 of Quiz- (Que-ID : 3455)
A stage of suspended development is called
- Diapause
- Suspend
- Migrate
- Aestivation
Q. 17 of Quiz- (Que-ID : 2986)
Presence of glucose in urine is known as
- Ketonuria
- Glycosides
- Glycosuria
- None of the above
Q. 10 of Quiz- (Que-ID : 3153)
Which of the following is not a polysaccharide?
- Lactose
- Starch
- Glycogen
- Dextrin
Q. 11 of Quiz- (Que-ID : 3429)
Which Vitamin has been transferred to golden rice?
- Vit-B12
- Vit-A
- Vit-D
- Vit-C
Q. 5 of Quiz- (Que-ID : 3273)
Which of the following is a liverwort?
- Sphagnum
- Funaria
- Marchantia
- Polytrichum
Q. 7 of Quiz- (Que-ID : 3100)
Chlorosis will occur if a plant is grown in
- dark
- shade
- strong light
- Fe – free medium
Q. 20 of Quiz- (Que-ID : 2863)
Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in
- papaya
- bottle gourd
- maize
- all of these.
Q. 13 of Quiz- (Que-ID : 2831)
The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively
- 12, 24, 12
- 24, 12, 12
- 12, 24, 24
- 24, 12, 24
Q. 11 of Quiz- (Que-ID : 3379)
Enzyme which has the fibrinolytic effect is
- protease
- amylase
- lipase
- streptokinase
Q. 6 of Quiz- (Que-ID : 3399)
While isolating DNA from bacteria, which of the following enzymes is not used?
- Lysozyme
- Ribonuclease
- Deoxyribonuclease
- Protease
Q. 11 of Quiz- (Que-ID : 2624)
Absorption of water in large intestine is done by
- Chief cells
- Haustra cells
- Parietal cell
- Peptic cell
Q. 13 of Quiz- (Que-ID : 2931)
Select the incorrect statement regarding pedigree analysis
- Solid symbols show unaffected individuals
- Proband is the person from which case history starts
- It is useful for genetic counsellors
- It is an analysis of traits in several generations of a family
Q. 17 of Quiz- (Que-ID : 2986)
Presence of glucose in urine is known as
- Ketonuria
- Glycosides
- Glycosuria
- None of the above
Q. 15 of Quiz- (Que-ID : 2984)
Which loop of hence is permeable to water
- Descending loop
- Ascending loop
- Both the loops
- None of the above
Q. 8 of Quiz- (Que-ID : 2826)
If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?
- 190
- 380
- 95
- 760
Q. 18 of Quiz- (Que-ID : 3311)
Phenomenon of ‘industrial melanism’ demonstrates
- geographical isolation
- reproductive isolation
- natural selection
- induced mutation
Q. 22 of Quiz- (Que-ID : 2790)
A group of closely related classes is called
- Genus
- Phylum
- Family
- Order
Q. 14 of Quiz- (Que-ID : 2707)
Which joint is present between carpal and metacarpal of thumb
- Saddle joint
- Pivot
- Hinge
- Condyloid
Q. 19 of Quiz- (Que-ID : 2712)
The central part of thick filament which isn?t overlapped by thin filaments is called
- H zone
- I band
- A band
- None of the above
Q. 24 of Quiz- (Que-ID : 3517)
New approach to conservation is the establishment of
- Sanctuaries
- Biosphere reserves
- National parks
- Reserve forests
Q. 7 of Quiz- (Que-ID : 3250)
Which of the following statement is correct?
- Platypus lays eggs
- Camels have biconcave RBCs
- Whales respire by gills
- Bats do not fly
Q. 4 of Quiz- (Que-ID : 3322)
Typhoid fever in human beings is caused by
- Plasmodium vivax
- Trichophyton
- Salmonella typhi
- Rhinoviruses
Q. 25 of Quiz- (Que-ID : 3168)
The most common monomer of carbohydrates is
- Sucrose
- Fructose
- Maltose
- Glucose
Q. 4 of Quiz- (Que-ID : 2797)
The cutaneous plexus and the papillary plexus consist of
- Specialized cells for cutaneous sensations
- A network of arteries to provide dermal supply
- A network of nerves to provide dermal sensation
- Gland cells that release cutaneous secretions
Q. 6 of Quiz- (Que-ID : 3324)
Which of the following pathogens causes whooping coough ?
- Legionella spp.
- Burcella melitensis
- Vibrio cholerae
- Burcella melitensis
Q. 3 of Quiz- (Que-ID : 3471)
Plant roots soil water is
- Cellular water
- Surface water
- Humidity water
- Gravitational water
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