AP Class 10 FA2 Question Paper 2023 Science

20
(English Medium)

PHYSICAL SCIENCE (10 Marks)
1. Write the lens formula ? 1
2. The maximum number of electrons that can be accommodated
in the L – shell of an atom is [ ]
A) 2 B) 4 C) 8 D) 16 1
3. A) Draw a ray diagram for the image formed by a convex lens when
an object is kept at 2F2. 2
B) The differentiating electron in an atom has the following set of
quantum numbers.
n l ml ms
3 0 0 +1/2
Now answer the following questions. 2
a) Which orbital does this electron belong to ?
b) Write the name of the element.
4. A) Explain the formation of rainbow.
B) What is a periodic property ? How do the following properties
change in a group and period ? Explain. 4
a) Atomic radius b) Ionization energy
c) Electron affinity d) Electronegativity

2
BIOLOGICAL SCIENCE (10 Marks)
1. Double circulation : Elephant :: Single circulation : ? 1
2. Give one example of the plant that produces the secondary metabolite
used in varnishes. 1
3. A) What would happen if the cell sap of root hair cells contains a low
concentration of ions than the soil water ? 2
B) Suggest some good habits that help for the proper functioning of
kidneys. 2
4.A) Write the differences between the blood vessels that carry blood to the
heart and that carry blood away from the herat.
B) Draw a neat labelled diagram of the uriniferous tubule. 4

20
(Telugu Medium)

uÛÖ‹ø£ s¡kÕj·Tq XÊg+ (10 Marks)

1. ø£≥ø£ dü÷Á‘·eTTqT Áyêj·T+&ç. 1
2. ˇø£ |üse¡ ÷DTe⁄˝Àì ø£sŒ¡ s¡+ L q+<äT ÇeT&É >∑*>π >∑]wü˜ m\Áø±ºqT\ dü+K´ [ ]
A) 2 B) 4 C) 8 D) 16 1
3. A) 2F2 e<ä› edüTe
Ô ⁄qT ñ+∫q|ü⁄Œ&ÉT ≈£î+uÛ≤ø±s¡ ø£≥ø£+ e\¢ @s¡Œ&˚ Á|ü‹_+u≤ìøÏ
øÏsD
¡ ∫Á‘êìï ^j·T+&ç. 2
B) |üse¡ ÷DTe⁄˝Àì uÛ<Ò ë‘·àø£ m\Áø±ºHé øÏ+~ ø±«+≥+ dü+K´\qT ø£*–
ñ+≥T+~.
n l ml ms
3 0 0 + 1/2

á ÁøÏ+~ Ç∫Ãq Á|üXï¯ \≈£î düe÷<ÛëHê\T Çe«+&ç. 2
A) á m\Áø±ºHé @ ø£ø´å£ ≈£î #Ó+~q~ ? B) eT÷\ø£+ ù|s¡TqT Áyêj·T+&ç.

4. A) Ç+Á<ä <Ûq
ä düT‡ @s¡Œ&˚ $<ÛëHêìï $e]+#·+&ç.
B) Äes¡q
Ô <Ûsä à¡ + n+fÒ @$T{Ï ? ÁøÏ+~ <Ûsä êà\T |”]j·T&é eT]j·TT Á>∑÷|t\˝À
@$<Û+ä >± e÷s¡TŒ #Ó+<äT‘êjÓ÷ $e]+#·+&ç ? 4
a) |üse¡ ÷DT yê´kÕs¡+ú b) nj·T˙ø£sD
¡ X¯øÔÏ
c) m\Áø±ºHé m|òì
æ {° d) ãTTD $<äT´<ë‘·àø£‘·

2
JeXÊg+ (10 Marks)
1. ~«e\j·T s¡øÁÔ£ |üdsü D
¡ : @qT>∑T :: @ø£e\j·T s¡øÁÔ£ |üdsü D
¡ : ? 1
2. yê]ïwt\˝À ñ|üj÷Ó –+#˚ ~«rj·T JeÁøÏj÷· ñ‘·ŒHêïìï ñ‘·Œ‹Ô #˚ùd yÓTTø£ÿ≈£î ˇø£
ñ<ëVü≤s¡D Çe«+&ç. 1
3. A) yÓTTø£ÿ\ eT÷\πøX¯ ø£D≤\˝Àì ø£DÁ<äe´+ >±&Û‘
É ,· eTè‹Ôø£ ˙s¡T >±&Û‘É · ø£+fÒ
‘·≈î£ ÿe>± ñ+fÒ @$T »s¡T>∑T‘·T+~ ? 2
B) eT÷Á‘·|+ æ &Ü\T düÁø£eT+>± |üì#˚jT· &ÜìøÏ düV‰ü j·T|ü&˚ ø=ìï eT+∫ n\yê≥¢qT
dü÷∫+#·+&ç. 2
4. A) >∑T+&Ó qT+&ç s¡ø±Ôìï rdüT≈£îyÓfifl‚ eT]j·TT >∑T+&Ó≈î£ s¡ø±Ôìï rdüT≈£îe#˚à s¡øÔ£
Hêfi≤\ eT<Û´ä uÛ<Ò ë\qT sêj·T+&ç.
B) eèø£ÿHêfi¯+ jÓTTø£ÿ #·øÿ£ ì |ü{≤ìï ^dæ, uÛ≤>±\T >∑T]Ô+#·+&ç. 4