Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
Chordata - possess a mouth provided with an upper and a lower jaw
Chondrichthyes - possess cartilaginous endoskeleton
Mammalia - give birth to young ones
Mammalia - give birth to young ones
B.
Chondrichthyes - possess cartilaginous endoskeleton
The members of the class - Chondrichthyes are marine animals with a streamlined body and have a cartilaginous endoskeleton.
Ground tissue includes
all tissue except epidermis and vascular bundles
epidermis and cortex
all tissues internal to endodermis
all tissues internal to endodermis
In eubacteria, a cellular component that resembles eukaryotic cells is
nucleus
ribosomes
cell wall
cell wall
Which one of the following animals is correctly matched with its particular named taxonomic category?
Cuttlefish - Mollusca, a class
Humans - Primata, the family
Housefly - Musca, an order
Housefly - Musca, an order
In land plants, the guard cells differ from other epidermal cells in having
mitochondria
endoplasmic reticulum
chloroplasts
chloroplasts
A large proportion of oxygen is left unused in the human blood even after its uptake by the body tissue. This O2
Raise the pCO2 of blood 75 mm of Hg.
Is enough to keep oxyhaemoglobin
helps in releasing more O2 to the epithelial tissues
helps in releasing more O2 to the epithelial tissues
Which one of the following elements in plants is not remboilised?
Calcium
Potassium
Sulphur
Sulphur
Which one of the following is not a part of a renal pyramid?
Convoluted tubules
Collecting ducts
Loops Henle
Loops Henle
