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Which of the following statements is correct ?
Given below are four methods (A-D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follow:<br><br>Column I<br>A. The Pill<br>B. Condom<br>C. Vasectomy<br>D. Copper T<br><br>Column II<br>1. Prevents sperms reaching cervix<br>2. Suppress sperm motility<br>3. Prevents ovulation<br>4. Semen contains no sperms
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
Perigynous flowers are found in:
Match List-I with List-II: List-I (Types of inheritance) A. Incomplete dominance B. Co-dominance C. Pleiotropy D. Polygenic inheritance List-II (Example) I. Blood groups in human II. Flower colour in Antirrhinum III. Skin colour in human IV. Phenylketonuria
In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype is crossed with a plant that is rrtt, what percentage of the offspring will be tall with red fruit?
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as :
Persistent nucellus in the seed is known as
Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?
In some plants, the female gamete develops into an embryo without fertilization. This phenomenon is known as:
Which chromosome in the human genome has the highest number of genes?
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
Which one of the following belongs to the family Muscidae?
Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into:
Which of the following statements are correct about Klinefelter's Syndrome?
Arrange the following events of meiosis in a correct sequence: I. Crossing over II. Synapsis III. Terminalisation of chiasmata IV. Disappearance of nucleolus
Which of the following pairs is of unicellular algae?
Which of the following statements wrongly represents the nature of smooth muscle? (1) These muscle have no striations (2) They are involuntary muscles (3) Communication among the cells is performed by intercalated discs (4) These muscles are present in the wall of blood vessels
Match List-I with List-II | List - I | List - II | | :--- | :--- | | (a) Filariasis | (i) Haemophilus influenzae | | (b) Amoebiasis | (ii) Trichophyton | | (c) Pneumonia | (iii) Wuchereria bancrofti | | (d) Ringworm | (iv) Entamoeba histolytica | Choose the correct answer from the options given below:
The permissible use of the technique amniocentesis is for: