The echinoderms, hemichordates and chordates had which of the following larva as common ancestral form?
Options
(a) tornaria (b) dipleurula (c) bipinnaria (d) trochophore
Correct Answer:
dipleurula
Explanation:
No explanation available. Be the […]
The presence of feathers and power of flight are the characteristic features of
Options
(a) mammals (b) aves (c) amphibians (d) reptiles
Correct Answer:
aves
Explanation:
No explanation available. Be the first to […]
…. Is the most abundant protein of biological world
Options
(a) Rubisco (b) Ligase (c) Permease (d) RuBp
Correct Answer:
Rubisco
Explanation:
No explanation available. Be the first to write the explanation for […]
All types of plastids possess essentially the same structure because they
Options
(a) perform the same funtion (b) store food materials like starch,fat and protein (c) occur in aerial parts (d) can transformation […]
C₄ plants are also called
Options
(a) Kerbs type (b) Calvin type (c) Blackman type (d) Hatch-Slack type
Correct Answer:
Hatch-Slack type
Explanation:
No explanation available. Be the first to write the explanation […]
Chlorophyll molecules are located in the
Options
(a) thylakoid membrane (b) thylakoid lumen (c) stroma (d) inner chloroplast membrane
Correct Answer:
thylakoid membrane
Explanation:
No explanation available. Be the first to write the […]
The periderm includes
Options
(a) cork (b) secondary phloem (c) cambium (d) all of these
Correct Answer:
all of these
Explanation:
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How many female flowers occur in a cyathium?
Options
(a) three (b) one (c) four (d) two
Correct Answer:
one
Explanation:
No explanation available. Be the first to write the explanation for this […]
Hydra is a
Options
(a) fresh water, radial, symmetrical an diploblastic (b) marine, radial, symmetrial and diploblastic (c) marine, radial, symmetrical and triploblastic (d) fresh water, biradial, symmetrical and triploblastic
Correct Answer:
fresh […]
…. Is part of symplast
Options
(a) Cytoplasm (b) Protoplast (c) Plasmodesmata (d) Cytoplasm & Protoplast &Plasmodesmata
Correct Answer:
Cytoplasm & Protoplast &Plasmodesmata
Explanation:
No explanation available. Be the first to write the […]
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