The foetal ejection reflex in humans triggers the release of:
| 1. | oxytocin from foetal pituitary |
| 2. | human Chorionic Gonadotropin (hCG) from placenta |
| 3. | human Placental Lactogen (hPL) from placenta |
| 4. | oxytocin from maternal pituitary |
Subtopic: Fetal Development & Parturition |
81%
Level 1: 80%+
NEET - 2013
Hints
Which one of the following is a primary consumer in maize field ecosystem?
| 1. | Grasshopper | 2. | Wolf |
| 3. | Phytoplankton | 4. | Lion |
Subtopic: Energy Flow |
88%
Level 1: 80%+
NEET - 2013
Hints
During the process of isolation of DNA, chilled ethanol is added to:
1. Precipitate DNA
2. Break open the cell to release DNA
3. Facilitate action of restriction enzymes
4. Remove proteins such as histones
1. Precipitate DNA
2. Break open the cell to release DNA
3. Facilitate action of restriction enzymes
4. Remove proteins such as histones
Subtopic: General Design of an rDNA experiment |
87%
Level 1: 80%+
NEET - 2013
Hints
When a man eats fish which feeds on zooplankton which has eaten small plants, the producer in the chain is:
| 1. | Small plants | 2. | Fish |
| 3. | Man | 4. | Zooplankton |
Subtopic: Ecological Flow |
81%
Level 1: 80%+
NEET - 2013
Hints
Subtopic: Sexual Reproduction | Events during Sexual reproduction |
58%
Level 3: 35%-60%
NEET - 2013
Hints
The figure gives an important concept in the genetic implication of DNA. Fill in the blanks A, B and C.
1. A - Maurice Wilkins B - transcription C - translation
2. A - James Watson B - replication C - extension
3. A - Erwin Chargaff B - translation C - replication
4. A - Francis Crick B - translation C - transcription
Subtopic: DNA Double Helix | DNA Replication |
90%
Level 1: 80%+
NEET - 2013
Hints
Subtopic: Nucleic Acid: Nucleotides |
63%
Level 2: 60%+
NEET - 2013
Hints
Which one of the following is one of the paths followed by air/O2 during respiration in an adult male Periplaneta americana as it enters the animal body?
| 1. | Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells |
| 2. | Mouth, bronchial tube, trachea, oxygen enters cells |
| 3. | Spiracles in prothorax, tracheoles, and trachea oxygen diffuses into cells |
| 4. | Hypopharynx, mouth, pharynx, trachea, tissues |
Subtopic: Cockroach: Respiratory System |
65%
Level 2: 60%+
NEET - 2013
Hints
Which of the following statements about enzymes is wrong?
| 1. | Enzymes are denatured at high temperatures |
| 2. | Enzymes are mostly proteins but some are lipids also |
| 3. | Enzymes are highly specific. |
| 4. | Enzymes require optimum pH and temperature for maximum activity. |
Subtopic: Enzymes |
85%
Level 1: 80%+
NEET - 2013
Hints
Subtopic: Loss of Biodiversity |
96%
Level 1: 80%+
NEET - 2013
Hints
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