Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?
Options
(a) Pteropus and Ornithorhyncus – Viviparity (b) Garden lizard and Crocodile – Three […]
Which one of the following is a correct statement about reproduction
Options
(a) Pteridophyte gametophyte has a protonemal and leafy stage (b) In gymnosperms female gametophyte is free-living (c) Antheridiophores and archegoniophores are present […]
In which one of the following the genus name, its phylum name and its two characters are not correctly matched, whereas the remaining three are correct
Options
(a) Pila-Mollusca- body segmented, Mouth with radula […]
Which one of the following categories of animals, is correctly described with no single exception in it?
Options
(a) All sponges are marine and have collared cells (b) All mammals are viviparous and possess […]
What will you look for to identify the sex of the following?
Options
(a) Female Ascaris- Sharply curved posterior end (b) Male frog- A copulatory pad on the first digit of the hind limb […]
Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are correct?
Options
(a) It is present only in larval tail in Ascidians (b) It is […]
Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
Options
(a) Reptilia : possess 3 – chambered heart with one incompletely divided […]
In which one of the following, the genus name, its two characters and its class/ phylum are correctly matched?
Options
(a) Ascaris-Annelida-Body segmented, Males and Females distinct (b) Salamandra-Amphibia-A tympanum represents ear, fertilization is external […]
Algae have cell wall made up of
Options
(a) cellulose,galactans and mannas (b) hemicellulose,pectins and proteins (c) pectins, cellulose and proteins (d) cellulise,hemicellulose and pectins
Correct Answer:
cellulose,galactans and mannas
Explanation:
Algae possess a […]
Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups:
Options
(a) Eubacteria and archaea (b) Cyanobacteria and diatoms (c) Protists and mosses (d) Liverworts and yeasts
Correct Answer: […]
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