Home
Class 12
BIOLOGY
In the picture given above, A1 "and" A2 ...


In the picture given above, `A_1 "and" A_2` denotes two different types of cells performing body's defence mechanism against the pathogens `B_1 "and" B_2` Name the cellular type represented by `A_1 "and" A_2` and also mention the respective type of immunity conferred by `A_1 "and" A_2`

Text Solution

Verified by Experts

`A_1` T cells conferring Cell Mediated Immunity (CMI)
`A_2` - B cells conferring Antibody Mediated Immunity (AMI) humoral immunity
Promotional Banner

Topper's Solved these Questions

  • HIGHER ORDER THINKING SKILLS (HOTS QUESTIONS)

    FULL MARKS|Exercise BIO-BOTANY|6 Videos
  • EVOLUTION

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (5 MARK QUESTIONS)|7 Videos
  • Human health and diseases

    FULL MARKS|Exercise Additional questions - Higher order thinking skills(HOTs)Questions|3 Videos

Similar Questions

Explore conceptually related problems

If same force is acting on two masses m_1 and m_2 and the accelerations of two bodies are a_1 and a_2 respectively, then

What are the readings of the ammeter A_1 and A_2 shown in figure.Neglect the resistances of the meters.

If the area of the circle is A_1 and the area of the regular pentagon inscribed in the circle is A_2, then find the ratio (A_1)/(A_2)dot

Two metal rods 1and 2 of same lengths have same temperature difference between their ends . Their thermal conductivities and K_1 and K_2 and cross sectional areas A_1 and A_2 respectively .If the rate of heat conduction in 1 is four times that in 2, then

A mixture consists of two radioactive materials A_1 and A_2 with half lives of 20s and 10s respectively . Intially the mixture has 40g of A_1 and 160 g of A_2 . The amount of the two in the mixture will become equal after:

Two periodic waves of amplitudes A_1 and A_2 pass though a region. If A_1gtA_2 , the difference in the maximum and minimum resultant amplitude possible is

Find the number of all three elements subsets of the set {a_1, a_2, a_3, a_n} which contain a_3dot

If A_1, A_2, G_1, G_2, ; a n dH_1, H_2 are two arithmetic, geometric and harmonic means respectively, between two quantities aa n db ,t h e na b is equal to