Trace elements are required by plants mainly for the
Trace elements are required by plants mainly for the A. formation of pigments and enzymes B. production of…
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The part that is similar to the bone is labelled
The part that is similar to the bone is labelled A. IV B. III C. II D. I…
In mammals, the exchange of nutrients and metabolic products occurs in the
In mammals, the exchange of nutrients and metabolic products occurs in the A. lymph B. lungs C. heart…
the part of the stomach nearer the gullet is called th
the part of the stomach nearer the gullet is called th A. epiglottis B. cardiac spincter C. duodenum…
The group of insects that undergoes complete metamorphosis is
The group of insects that undergoes complete metamorphosis is A. houseflies, beetles and cockroaches B. cockroaches, grasshoppers and…
The nitrogenous substance that is excreted by birds in order to conserve water is
The nitrogenous substance that is excreted by birds in order to conserve water is A. ammonia B. urea…
Which of the following performs similar functions?
Which of the following performs similar functions? A. Ascospores ans ascocarp B. Antherozoids and rhizoids C. sorus and…
In ferns, the sporophyte
In ferns, the sporophyte A. develops from a haploid zygote B. reproduce asexually to produce spores C. is…
The endoplast cells found in hydra are used for
The endoplast cells found in hydra are used for A. reproduction B. offence and defence C. locomotion and…
Annelides differ from nematodas in that they
Annelides differ from nematodas in that they A. exhibits bilateral symmentry B. are triploblastic C. are metamerically segmented…