Which of the following is the best source of vitamin „A' ?
1). Apple
2). Honey
3). Carrot
4). Peanut
Which of the following in NOT reabsorbed from the filtrate to the blood at the proximal tubule?
1). Glucose
2). Na
3). Plasma proteins
4). Water
Genes located on Y-chromosome are
1). mutant genes
2). sex-linked genes
3). autosomal genes
4). holoandric genes
A nephridium of an earthworm drains materials directly from the
1). Gut
2). Coelom
3). Lymph
4). Blood
Allosomes are
1). bead like structure on chromosomes
2). sex chromosomes
3). rounded bodies
4). node like structure on chromosomes