Which of the following is the correct scientific name of wheat derived by binominal nomenclature?
Triticum Vulgare
Triticum aestivum
Oryza sativa
Zea mays
Select the incorrect match.
Citric acid - Aspergillus niger
Streptokinase - Streptococcus
Butyric acid - Clostridium acetobutylicum
Cyclosporin A - Monascus purpureus
Which of the following statements is correct regarding menstrual cycle?
LH induces rupturing of Graafian follicle
Proliferative phase is characterised by the increased production of progesterone
Corpus luteum secretes large amount of estrogen
Both LH and FSH attain a peak level in secretory phase
Match column I with column II and select the correct option from the codes given below.
Column I | Column II |
A. Commensalism | (i) One inhibited, other unaffected |
B. Parasitism | (ii) One benefitted, other unaffected |
C. Mutualism | (iii) Both are benefitted |
D. Amensalism | (iv) One benefitted, other harmed |
A - (iv), B - (ii), C- (iii), D - (i)
A - (iii), B - (iv), C - (ii), D - (i)
A - (ii), B - (iv), C - (iii), D - (i)
A - (ii), B - (iv), C - (i), D - (iii)
C.
A - (ii), B - (iv), C - (iii), D - (i)
Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.
Parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm and is adapted structurally to this way of life.
Mutualism is the way two organisms of different species exist in a relationship in which each individual fitness benefits from the activity of the other.
Amensalism is any relationship between organisms of different species in which one organism is inhibited or destroyed while the other organism remains unaffected.
Which of the following is used as bioinsecticide?
Bacillus polymyxa
Cylindrospermum licheniforme
Phytophthora palmivora
Chrysanthemum cinerarifolium
If both parents are carriers for thalassaemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?
25%
100%
No chance
50%
The correct sequence ofstages in the evolution of modern man (Homo sapiens), is
Homo erectus, Australopithecus, neanderthal man, cro-magnon man, modern man
Australopithecus, Homo erectus, neanderthal man, cro-magnon man, modern man
Neanderthal man, Australopithecus, cromagnon man, Homo erectus, modern man
Australopithecus, Neanderthal man, cromagnon man, Homo erectus, modern man
Identify the parts labelled A, B, C and D in the given figure and select the correct option.
A- Scutellum, B- Epiblast, C- Coleoptile, D- Coleorhiza
A- Scutellum, B- Coleorhiza, C- Coleoptile, D- Epiblast
A- Scutellum, B- Coleoptile, C- Coleorhiza, D- Epiblast
A- Epiblast, B- Coleoptile, C- Coleorhiza, D- Scutellum
Match column I with column II and select the correct option from the given codes.
Column I | Column II |
A. Parthenocarpy | (i) Seed formation without fertilisation |
B. Polyembryony | (ii) More than one embryo in same seed |
C. Apomixis | (iii) Seedless fruits without fertilisation |
D. Somatic embryogenesis | (iv) Embryo develops from a somatic cell |
A- (iv), B- (ii), C- (iii), D- (i)
A- (iii), B- (ii), C- (i), D- (iv)
A- (i), B- (iv), C- (iii), D- (ii)
A- (ii), B- (iii), C- (i), D- (iv)