41). Lac is a product of
| A). faecal matter |
| B). secretion from the body |
| C). excretion from the body |
| D). excess food oozing out of the body |
|
42). Which of the following Plants is biennial?
| A). Banana |
| B). Pineapple |
| C). Jackfruit |
| D). Carrot |
|
43). Growth of the baby in the uterus is found using
| A). X-rays |
| B). Gamma rays |
| C). Ultra sound |
| D). Ultraviolet rays |
|
44).
Bees are particularly sensitive to
| A). red colour |
| B). green colour |
| C). ultraviolet light |
| D). no colour |
|
45). The main controlling centre of the cell, is the
| A). nucleus |
| B). mitochondria |
| C). ribosome |
| D). Chloroplast |
|
46). In India, the first test tube baby Harsh was born on
| A). July.6-1986 |
| B). Aug.6-1986 |
| C). sep.6-1986 |
| D). oct.6-1986 |
|
47). Darwin's concepts of evolution
| A). are accepted today in toto |
| B). have been completely refuted |
| C). rejected the inheritance of acquired characters |
| D). are the basis of modern theory of evolution |
|
48). Genetics is the study of
| A). cell division |
| B). growth and differentiation |
| C). reproduction |
| D). mechanisms of inheritance |
|
49). Genetic engineering is
| A). chromosomal alterations |
| B). cytochromosomal alterations |
| C). genes alterations |
| D). nucleus alterations |
|
50). Normally a balanced 'diet should be able to provide about
| A). 2,500 calories per day |
| B). 3,000 calories per day |
| C). 3,500 calories per day |
| D). 4,000 calories per day |
|
