Practice free Zoology NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
What is the cluster of capillaries formed from afferent arterioles, and enclosed by Bowman's capsule, known as?
The NCERT mentions: 'The Bowman’s capsule encloses the glomerulus to form Malpighian or renal corpuscle.' The glomerulus itself is a tuft of capillaries.
The part of the nephron that extends from the cortex of the kidney to the inner parts of the medulla is the:
The NCERT describes: 'Collecting Duct: This long duct extends from the cortex of the kidney to the inner parts of the medulla.'
Which of the following comprises the Malpighian or renal corpuscle?
The NCERT states: 'The Bowman’s capsule encloses the glomerulus to form Malpighian or renal corpuscle.'
The cortex extends in between the medullary pyramids as renal columns, which are also known as:
The question 'Cortical portions projecting between the medullary pyramids in the human kidney' is answered with 'Columns of Bertini' in the NCERT exercise section, implying this common alternate name for these structures.
Which of the following describes the cell wall of bacteria?
According to the NCERT text, 'Most prokaryotic cells, particularly the bacterial cells, have a chemically complex cell envelope. The cell envelope consists of a tightly bound three layered structure i.e., the outermost glycocalyx followed by the cell wall and then the plasma membrane.' And further, 'Glycocalyx differs in composition and thickness among different bacteria. It could be a loose sheath called the slime layer in some, while in others it may be thick and tough, called the capsule.' Mycoplasma does not have a cell wall.
The cell wall determines the shape of the cell and provides strong structural support to prevent the bacterium from:
The context states: 'The cell wall determines the shape of the cell and provides a strong structural support to prevent the bacterium from bursting or collapsing.'
What is the primary function of the cell wall in a young plant cell, known as the primary wall?
The NCERT text mentions: 'The cell wall of a young plant cell, the primary wall is capable of growth, which gradually diminishes as the cell matures and the secondary wall is formed on the inner (towards membrane) side of the cell.'
Which of the following organic components are found in the cell wall of algae?
As per the NCERT text: 'Algae have cell wall, made of cellulose, galactans, mannans and minerals like calcium carbonate, while in other plants it consists of cellulose, hemicellulose, pectins and proteins.'
The middle lamella, which glues neighboring cells together, is primarily composed of:
The text clearly states: 'The middle lamella is a layer mainly of calcium pectate which holds or glues the different neighbouring cells together.'
What are the structures that traverse the cell wall and middle lamella, connecting the cytoplasm of neighboring cells?
The NCERT excerpt states: 'The cell wall and middle lamellae may be traversed by plasmodesmata which connect the cytoplasm of neighbouring cells.'
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.