General Science MCQ-55

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Which of the following statement is correct about Cowper’s gland.

1) It secretes mucus.
2) The secretion also contain alkaline substance that protect the sperm by neutralizing the acidic environment of urethra.

Select the correct code given below.

 
 
 
 

Which of the following are the functions of placenta?

1) Transfers wastes from the embryo into the mother’s blood.
2) Transfer oxygen, nutrients, water and harmones from the mother to developing embryo.
3) Produces harmones like estrogeii and progesterone.

Select the correct code given below.

 
 
 
 

Consider the following statements about foetus.

1) The stage when an embryo starts to have the appearance of a fully developed offspring.
2) Embryo changes to a foetus after about two months of development.

Select the correct code given below.

 
 
 
 

Consider the following statements.

1) Acrosome, a specialised lysosome that digests the limiting membrane of the ovum.
2) Acrosome facilitates the penetration by the sperm.

Select the correct code given below.

 
 
 
 

Consider the following statements.

1) Identical twins are formed when one fertilized egg splits into two.
2) Identical twins are formed when two sperm fertilized with two eggs.

Select the correct code given below.

 
 
 
 

Which of the following are not the functions of kidney?

 
 
 
 

Consider the following statements.

1) Flame cells perform excretory function in the body of tapeworms.
2) Prawns have green gland and insects possess Malpighian tubules as organs of excretion.

Select the correct code given below.

 
 
 
 

Consider the following statements.

1) Henlels loop is largely responsible for concentrating the urine.
2) Greater the ability of an animal to excrete hypertonic urine, the longer are the hentlels loop in its kidneys.

Select the correct code given below.

 
 
 
 

Consider the following statements.

1) Each kidney is made up of numerous delicate uriniferous tubules called nephrons.
2) Each nephron consist of Malpighian body and secretary tubule.

Select the correct code given below,

 
 
 
 

Consider the following statements.

1) Lipases are enzymes for hydrolyzing fats and oils.
2) Fats are largely digested in the small intestine.
3) Bile salts are of prime importance in the digestion of fat.

Select the correct code given below.

 
 
 
 

Consider the following statements.
1)
Hydrolysis of protein occur in mouth.
2) Chymotrypsin is an important milk coagulating enzyme.
3) Protein digestion starts in stomach.

Select the correct code given below.

 
 
 
 

Consider the following statements and choose the incorrect one.

 
 
 
 

Match the following.
Disease— Animals affected

1. Fowl pox

 
 
 
 

Match the following.

Organism——— Disease

1. Protozoan

 
 
 
 

Consider the following statement.

1) Milk is the source of all vitamins except vitamin C.
2) Vitamin D and K can be synthesised by our body.
3) Marasmus is due to protein deficiency.

Select the correct code given below.

 
 
 
 

Consider the following statements.

1) Parenchyma consists of living cells.
2) It found in soft parts of the plant.
3) They store food and provide temporary support to the plant.

Select the correct code given below.

 
 
 
 

Which of the following statement is correct about selerenchyma?

1) The cell walls are greatly thickened with lignin.
2) They are found in stems, veins of leaves, etc.
3) It gives strength, rigidity and flexibility to the plant body.

Select the correct code given below.

 
 
 
 

Consider the following statement about xylem?

1) Xylem occur together with phloem and form the vascular bundle.
2) To conduct water and minerals upwards from the roots to the stems and leaves.

Select the correct code given below.

 
 
 
 

Consider the following statements?

1) Apical tissues are situated at the growing fit of stems and roots.
2) Inter calory are located at the baseof the inter node.

Select the correct code given below.

 
 
 
 

Which of the following statement is correct about glycolis?

1) Glycolis is an aerobic process.
2) Glucose is converted to pyruvic acid.
3) The process takes place in the cytoplasm with the help of several enzymes.

Select the correct code given below.

 
 
 
 

Consider the following statements.

1) Venation is the arrangement of the veins in the lamina
2) The leaf surface is covered by minutes pores called stomate.

Select the correct code given below.

 
 
 
 

Match the following.

Elements

1. Iron
2. Sulphur
3. Phosphorus
4. Calcium

Role in plants

A. Maintains semi-permeability of protoplasm.
B. Synthesis of chlorophyll
C. Constituent of an amino-acid cystine
D. Promotes nuclear and cell division.

Select the correct code given below:

 
 
 
 

Consider the following statements about corolla.

1) This forms the whorl inner to the calyx.
2) It protects the stamens and pistil.
3) it attracts insects for pollination.

Select the correct code given below

 
 
 
 

Consider the following statements about cymose.

1) The youngest flower is formed basally.
2) The main axis ends in a flower and

so does the daughter axis. Select the correct code given below,

 
 
 
 

Consider the following statements.

1) Development of fruit without fertilisation is called parthenocarpy.
2) Parthenocarpy can be induced artificially by spraying flowers with growth promoting hormones.

Select the correct code given below.