1 |
Which statement about ATP is not true |
It is used as an energy currency by all cells
It is formed only under aerobic condition
Some ATP is used to drive the synthesis of storage compounds
It provides energy for many different biochemical reaction
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2 |
During the dark reaction of photosynthesis, the main process that occurs is |
Release of oxygen
Energy absorption by the chlorophyll
Adding of hydrogen to the carbon dioxide
Formation of ATP
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3 |
When a green plant performs photosynthesis at it maximum rate |
The rate of water loss in high
The water content of the plant will be low
The energy content of the plant will be low
The energy content will be unaffected
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4 |
Magnesium is an important untrient ion in green plants as it is an essential component of |
Cell sap
Protein
Chlorophyll
Glucose
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5 |
Which of the following is a motile coclenterate |
Hydra
Obelia
Jelly fish
Corals
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6 |
The skeleton of Athropds is made of |
Silica
Chitin
Calcium carbonate
Both a and c
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7 |
Protandrous means |
Male sex cells develop first
Male and female sex develop simultaneously
Female sex cell develop first
None of the above
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8 |
The food of porifera consists of microscopic organisms and organic particles in a percentage ratio of |
10% & 90% respectively
20% & 80% respectively
30% & 70% respectively
40% & 60% respectively
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9 |
Which of the following are called as sponges |
Protozoa
Porifera
Coelentrata
Nematoda
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10 |
Pseudocoelom is non-homologous to true coelom because |
It is not lined by coelomic epithelium
It has no relation with reproductive and excretory organs
It develops from blastocoel
All of the above
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11 |
Which of the following is a feature of series deuterostomia |
Cleavage of zygote is spiral and determinate
Coelom is formed due to splitting of mesoderm
Mouth arises from blastopore or anterior margin
Mesoderm is derived from wall of developing gut
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12 |
Which of the following is not included in grade Bilateria |
Coelenterates
Nematodes
Annelids
Molluscs
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13 |
In mollusca the foot is used for |
Capturing prey
Locomotion
Both a and b
None of these
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14 |
In arthropods the body cavity is known as |
Pseudocelom
Enterocoel
Haemocoel
None of these
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15 |
In annelids the organs for excretion are |
Flame cells
Nephridia
Protonephridia
Kidneys
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16 |
Trypanosoma causes the disease known as |
Malaria
Sleeping sickness
Diarrhea
None of these
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17 |
In amphibians the necessary requirements to spend their life history include |
Water
Land
Both water and land
None of these
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