In the heart of mammals the bicuspid valve (mitral valve) is situated between
Options
(a) Left auricle and left ventricle (b) Post caval and right caval (c) Right auricle and left auricle (d) […]
Dental formula of human being is
Options
(a) I₂, C₂, P₁, M₃ (b) I₂, C₁, P₂, M₃ (c) I₃, C₁, P₂, M₂ (d) I₂, C₂, P₃, M₁
Correct Answer:
I₂, C₁, P₂, M₃
When plant cells are kept in hypertonic salt solution, they get
Options
(a) turgid (b) deplasmolysed (c) plasmolysed (d) lysed
Correct Answer:
plasmolysed
Explanation:
Plasmolysis is the loss of water by osmosis from […]
Perisperm is
Options
(a) ruminant of endosperm (b) ruminant of nucellus (c) ruminant of embryo (d) ruminant of endosperm & ruminant of nucellus & ruminant of embryo
Correct Answer:
ruminant of nucellus
Explanation:
Perisperm […]
The ovule curvature is more pronounced and embryo sac become horse shoe shaped in which type of ovule?
Options
(a) amphitropous (b) anatropous (c) orthotropous (d) campylotropous
Correct Answer:
campylotropous
Explanation:
No explanation […]
Under water pollination occurs in
Options
(a) Nymphaea (b) Zostera (c) Vallisneria (d) Ottelia
Correct Answer:
Zostera
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Populations termed r-strategists
Options
(a) have J-shaped growth curve (b) are usually pioneer species (c) have type III survivorship curve (d) all of the above
Correct Answer:
all of the above
Explanation:
No […]
Sensation of stomach pain is due to
Options
(a) interoceptors (b) proprioceptors (c) exteroceptors (d) teloreceptors
Correct Answer:
interoceptors
Explanation:
No explanation available. Be the first to write the explanation for this question […]
When a tall and red flowered individual is crossed with a dwarf and white flowered individual, phenotype in the progeny is tall and red. What will be the genotype of tall and red flowered progeny? […]
The term ‘protobiogenesis’ is used for theory to
Options
(a) biochemical origin of life (b) panspermia (c) spontaneous generation (d) special creation
Correct Answer:
biochemical origin of life
Explanation:
No explanation available. Be […]
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