Function of SER is
protein metabolism
lipid metabolism
carbohydrate metabolism
catabolic activity
B.
lipid metabolism
SER or Smooth Endoplasmic Reticulum is an organelle present in both animals as well as plants. The function of SER is lipid metabolism. It does not contain ribosomes and is specialised to synthesize lipids and steroids.
RER or Rough Endoplasmic Reticulum is attached with ribosomes on its surface and its main function is in protein synthesis.
Ornithorhynchus is a connecting link between
fishes and amphibians
Annelida and Arthropoda
Annelida and Mollusca
reptiles and mammals
Which of the following helps in the absorption of Vitamin-B12?
Pepsin
Bile juice
Castle's intrinsic gastric factor
Cholecy stokinin
A fish introduced into a water body to control mosquito population is
Gambusia
Labeo
Notopterus
Fistularia
Which of the following is correctly matched?
Enlarged P-wave - Acute myocardial infarction
QRS wave flat - Atherosclerotic heart disease
Enlarged Q and A - wave-Myocardial infarction
Elevated S-T - Enlargement of atria
Match the parts of the human brain with their functions.
Column I | Column II |
A. Cerebrum | 1. Controls the pituitary |
B. Cerebllum | 2. Controls vision and hearing |
C. Hypothalamus | 3. Controls the rate of heart beat |
D. Midbrain |
4. Seat of intelligence 5. Maintains body posture |
A - 5; B - 4; C - 2; D - 1
A - 4; B - 5; C - 2; D - 1
A - 5; B - 4; C - 1; D - 2
A - 4; B - 5; C - 1; D - 2
Which of the following branch of biology is correctly matched?
Ornithology - Study of mammals
Herpetalogy - Study of molluscs
Ophiology - Study of snakes
Therology - Study of birds
If a haemophilic carrier female marries a normal man, the chances are that
all the daughters will have haemophilia
50% of the daughters will have haemophilia
50% of the sons will have haemophilia
all the sons will have haemophilia
Glands in a vertebrate body originate from
ectoderm, mesoderm and endoderm
ectoderm and endoderm
mesoderm
ectoderm